About the team

The TV Technology team within the Roku TV New Product Introduction (NPI) group focuses on delivering the best Audio Quality (AQ) and Picture Quality (PQ) and driving innovation. With tens of millions of TVs sold globally, thousands of channels, and billions of hours streamed on Roku TVs, worldclass AQ and PQ are essential. 

About the role

We are seeking a Senior Quality Assurance Engineer to join the TV Technology team, based in Shenzhen. As a Senior Quality Assurance Engineer, you will be focused on helping our TV partners build the most desirable and best Smart TVs available. Your expertise in AQ and/or PQ will be utilized to help achieve the best possible audio and picture performance on specific mass-produced TV models by working closely with our TV partners, SOC vendors, and Roku TV engineers. You will also work on optimize and drive automation for existing audio and/or picture test strategies, e.g. by using AI and automation solutions to enhance efficiency and coverage.

What you will be doing

• Design, document, and execute test cases for AQ and/or PQ new feature verification, ensuring comprehensive test coverage and high-quality deliverables.
• Collaborate closely with dev engineers to debug issues, perform iterative testing, and drive feature quality throughout the product lifecycle.
• Continuously optimize AQ and/or PQ test strategies, identifying areas for improved efficiency, coverage, and risk-based testing approaches.
• Develop, maintain, and enhance automation scripts (primarily in Python) to increase test efficiency and maintain a sustainable automation framework.
• Contribute to test documentation, including test plans, test guides, and knowledge transfer materials for NPI manufacturing and release QA teams.
• Participate in technical discussions with stakeholders to align testing efforts with product roadmaps and business priorities.

We’re excited if you have

• 7+ years of experience in software quality assurance, with a focus on embedded systems, consumer electronics, or TV industry background.
• Hands-on experience in AQ and/or PQ testing, with a solid understanding of related test methodologies and industry standards.
• Proven ability to debug complex issues, work closely with development teams, and drive quality improvements across cross-functional organizations.
• Strong automation skills, particularly with Python scripting, and a proven track record of developing and maintaining automated test cases.
• Good English communication skills (both spoken and written) with the ability to participate in daily technical discussions and collaborate with global teams.
• Self-motivation and a proactive attitude, with the ability to work independently in a fast-paced, dynamic environment.
• An open mindset toward AI technologies – even without prior hands-on AI experience, a strong willingness to learn and explore AI applications in QA is highly valued.
• Experience with test automation frameworks and CI/CD integration.
• Familiarity with SoC partner engagement or factory support in consumer electronics manufacturing.
• Knowledge of AI/ML-based testing tools or data-driven testing approaches.

#LI-GW1

We are hiring for Machine Learning Engineering across multiple levels.

Your Location:

This position is CHINA BASED. The role may include occasional work at an Airbnb office or attendance at offsites, as agreed to with your manager. Your recruiter will inform you what cities you are able to work from depending on your personal legal working identity and Airbnb internal policies.

The Community You Will Join:

Machine Learning and Artificial Intelligence are at the heart of the Airbnb product. From Trust to Payments, and from Customer Service to Marketing we rely on ML to ensure that guests and hosts have the best possible experience with Airbnb. 

The Community Support Products (CSP) Machine Learning team is the core team responsible for driving CSxAI (Customer Support x Artificial Intelligence) initiatives by adopting the Generative AI technologies to enable an intelligent, scalable and exceptional service experience. The team develops and enhances various AI models, ML services and tools including LLM fine-tuning and optimization, RAG/Search,  LLM evaluation and testing automation, feedback-based learning and guardrail for a wide range of applications in Airbnb. 

The richness of Airbnb's data, the complexity of its marketplace and the variety innate in our product mean that we need to operate at the state of the art of AI practice. We are committed to investing in long term innovation to solve the complex problems we face, and to do that we need the very best experts in ML and AI to join us.

The Difference You Will Make:

We believe our current customer experiences in these domains are only scratching the surface of the innovations that are possible, and that science is at the heart of delivering a step-function change for our Guest and and Host on Airbnb. 

You will build and leverage cutting edge AI technologies to transform Airbnb’s customer service by delivering personalized, easy-to-use and proactive customer service experience. 

Many of the initiatives you’ll tackle are in their early conceptual stages. You will have the opportunity to shape these ideas from inception to production, turning visionary concepts into impactful realities.

A Typical Day: 

• Envision, champion, and support the development of novel ML systems, product integrations, and performance optimizations to solve real-world problems

• Work cross-functionally with product, design, and other engineering counterparts to design and build efficient AI solutions for Airbnb CS products

• Learn and share the latest AI/ML technologies with the team across regions( China and the US). 

Your Expertise:

• PhD/Master’s degree, preferably in CS, or equivalent experience
• 5-12 years of ML engineering experience, with ownership responsibility over large-scale software systems.  
• Background in the design and development of AI and ML systems and services, and a deep passion for building efficient and scalable ML-powered products
• Experience with LLM driven chatbot and Agentic AI products would be a big plus
• Excellent communication skills and the ability to work well within a team and with teams across the engineering, product & design organizations
• Fluency in both English and Mandarin is essential.

Our Commitment To Inclusion & Belonging:

Airbnb is committed to working with the broadest talent pool possible. We believe diverse ideas foster innovation and engagement, and allow us to attract creatively-led people, and to develop the best products, services and solutions. All qualified individuals are encouraged to apply.

Your Location:

This position is CHINA BASED. The role may include occasional work at an Airbnb office or attendance at offsites, as agreed to with your manager. Your recruiter will inform you what cities you are able to work from depending on your personal legal working identity and Airbnb internal policies.

The Community You Will Join:

Machine Learning and Artificial Intelligence are at the heart of the Airbnb product. From Trust to Payments, and from Customer Service to Marketing we rely on ML to ensure that guests and hosts have the best possible experience with Airbnb. 

The Community Support Products (CSP) Machine Learning team is the core team responsible for driving CSxAI (Customer Support x Artificial Intelligence) initiatives by adopting the Generative AI technologies to enable an intelligent, scalable and exceptional service experience. The team develops and enhances various AI models, ML services and tools including LLM fine-tuning and optimization, RAG/Search,  LLM evaluation and testing automation, feedback-based learning and guardrail for a wide range of applications in Airbnb. 

The richness of Airbnb's data, the complexity of its marketplace and the variety innate in our product mean that we need to operate at the state of the art of AI practice. We are committed to investing in long term innovation to solve the complex problems we face, and to do that we need the very best experts in ML and AI to join us.

The Difference You Will Make:

We believe our current customer experiences in these domains are only scratching the surface of the innovations that are possible, and that science is at the heart of delivering a step-function change for our Guest and and Host on Airbnb. 

You will build and leverage cutting edge AI technologies to transform Airbnb’s customer service by delivering personalized, easy-to-use and proactive customer service experience. 

Many of the initiatives you’ll tackle are in their early conceptual stages. You will have the opportunity to shape these ideas from inception to production, turning visionary concepts into impactful realities.

A Typical Day: 

• Envision, champion, and support the development of novel ML systems, product integrations, and performance optimizations to solve real-world problems

• Work cross-functionally with product, design, and other engineering counterparts to design and build efficient AI solutions for Airbnb CS products

• Learn and share the latest AI/ML technologies with the team across regions( China and the US). 

Your Expertise:

• PhD/Master’s degree, preferably in CS, or equivalent experience
• 2-4 years of ML engineering experience, with ownership responsibility over large-scale software systems. 
• Background in the design and development of AI and ML systems and services, and a deep passion for building efficient and scalable ML-powered products
• Experience with LLM driven chatbot and Agentic AI products would be a big plus
• Excellent communication skills and the ability to work well within a team and with teams across the engineering, product & design organizations
• Fluency in both English and Mandarin is essential.

Our Commitment To Inclusion & Belonging:

Airbnb is committed to working with the broadest talent pool possible. We believe diverse ideas foster innovation and engagement, and allow us to attract creatively-led people, and to develop the best products, services and solutions. All qualified individuals are encouraged to apply.

Here are some of the EXCITING things you’ll get to do: 

• Team sport to Deliver 5 star product to consumer 

• You can design any product you want in SharkNinja 

• Pursue and provide creative idea for product 

• Communication with transnational team to achive better results for issues 

• Make things better with detail research 

• Drive incremental change 

• Challenge and be challenge 

• Improve yourself by training, lesson learn and so on 

ATTRIBUTES & SKILLS: 

Responsibilities: 

• Professionally design and develop innovative design solutions and products in a fast-paced team environment. 

• Provide solid modeling and prototype support on technology development and new product development projects. 

• Using sound engineering principles refine concepts into reliable designs that meet performance, compliance, product integrity and aesthetic requirements. 

• Design for manufacturability, for China production environments. 

• Generate part specifications, including detailed drawings and specifications. 

• Communicate design to team members and China factories. 

• Perform product prototyping and testing, write test requests and obtain quotes from internal and external sources. 

• Support continuous improvement of existing products. 

Experience required:   

• Around 5-8 years’ experience in product development in high volume consumer products, Mobile Robotic products preferred. 

• 3D CAD proficiency, design experience in multiple processes such as: plastic injection molding, die-casting, sheet metal, machining processes, and assembly processes. 

• Experience working effectively in a cross-functional team environment is essential. 

• Good knowledge of Design processes, including DFME, FEA, DFM etc. 

Education background required:  

BS in Mechanical Engineering, Electrical Engineering, Robotics or Mechatronics 

Functional Skills/Knowledge: 

• Good command of English speaking and writing. 

• Ability to work with flexible adaptable teams and processes that embrace and cope with change and uncertainty. 

• Ability to support at least multiple projects simultaneously. 

• Detail-oriented, versatile, organized, articulate and professional. 

Other Requirements：  

• Traveling to supplier factory / staying in factory is required 

• Occasional international travel to visit suppliers or other SharkNinja offices may be required. 

• Ability to work under pressure and work overtime if required at peak project times. 

Here are some of the EXCITING things you’ll get to do:

• Work with new product development team to select the best PCBA architecture for the new product development in R&D Phase.
• Define and develop PCBA requirement of electronics system in R&D Phase.
• Support Design Team to develop robust software control algorithm/logics.
• Work with PCBA supplier to develop PCBA for new product in NPD and NPI phase.
• Review PCBA design for safety, reliability and DFM in NPD and NPI phase to make sure the good design quality.
• Implement systematical problem solving approach to find root cause and make correction plan for all the issues in in NPD and NPI phase.
• Implement Design Verification Test in each EB build to evaluate robustness of PCBA design.
• Review and approve PCBA design documents in NPI and Pilot phase.
• Review and approve PCBA manufacture process and test process in NPI and Pilot phase.
• Provide engineering support to achieve best quality and best cost.

You are Expected:

• Good knowledge of design and verification for power supply, micro processer, sensor, heater and motor control etc.
• Good knowledge and skill to design Schematic, PCB layout circuit simulation and software development.
• Good knowledge of safety design to comply with UL and IEC requirement.
• Good knowledge of electronics component selection and verification.
• Good knowledge of design for reliability, DFMEA, RCA etc.
• Good knowledge of design for manufacture and PCBA manufactures process.
• Good knowledge of EMC design and test.
• Good knowledge of PCBA verification test requirement and procedure.
• Good knowledge of 6 sigma.
• Good skill on reading, writing and oral English communication.
• At least 8+ years work experience in PCBA design and manufacture for home appliance or similar electronics system.
• At least 6 years work experience in circuit design includes both analog and digital circuit.
• At least 3 years work experience of software development with C or assembly language.
• Good experience in PCBA manufacture and testing.

Education/Certifications/Affiliations

• Bachelor degree in electrical engineering or related majors.

Travel Requirements

• Be flexible for domestic and international travel.

What You’ll Do 

We’re looking for a/an [Job Title] for our [Department Name] team in [Location]. In this role, you’ll be pivotal in [Main Focus of the Role], specifically by: 

• [Responsibility 1] 

• [Responsibility 2] 

• [Responsibility 3] 

What You’ll Bring 

• Experience: [Specify years of experience, e.g., “3-5 years in a Product Design environment”] 

• Education: [Specify requirements, e.g., “Bachelor’s degree in Engineering or related field”] 

• Technical Skills: [List technical skills, e.g., SolidWorks] 

• Interpersonal Skills: [List skills, e.g., positive attitude, teamwork] 

Here are some of the EXCITING things you’ll get to do: 

• Team sport to Deliver 5 star product to consumer 

• You can design any product you want in SharkNinja 

• Pursue and provide creative idea for product 

• Communication with transnational team to achive better results for issues 

• Make things better with detail research 

• Drive incremental change 

• Challenge and be challenge 

• Improve yourself by training, lesson learn and so on 

ATTRIBUTES & SKILLS: 

Responsibilities: 

• Professionally design and develop innovative design solutions and products in a fast-paced team environment. 

• Provide solid modeling and prototype support on technology development and new product development projects. 

• Using sound engineering principles refine concepts into reliable designs that meet performance, compliance, product integrity and aesthetic requirements. 

• Design for manufacturability, for China production environments. 

• Generate part specifications, including detailed drawings and specifications. 

• Communicate design to team members and China factories. 

• Perform product prototyping and testing, write test requests and obtain quotes from internal and external sources. 

• Support continuous improvement of existing products. 

Experience required:   

• Around 5-8 years’ experience in product development in high volume consumer products, Mobile Robotic products preferred. 

• 3D CAD proficiency, design experience in multiple processes such as: plastic injection molding, die-casting, sheet metal, machining processes, and assembly processes. 

• Experience working effectively in a cross-functional team environment is essential. 

• Good knowledge of Design processes, including DFME, FEA, DFM etc. 

Education background required:  

BS in Mechanical Engineering, Electrical Engineering, Robotics or Mechatronics 

Functional Skills/Knowledge: 

• Good command of English speaking and writing. 

• Ability to work with flexible adaptable teams and processes that embrace and cope with change and uncertainty. 

• Ability to support at least multiple projects simultaneously. 

• Detail-oriented, versatile, organized, articulate and professional. 

Other Requirements：  

• Traveling to supplier factory / staying in factory is required 

• Occasional international travel to visit suppliers or other SharkNinja offices may be required. 

• Ability to work under pressure and work overtime if required at peak project times. 

Job Description

The mission of this role is to architect and develop firmware and microcontroller subsystems for Astera Labs’ SoC and systems products. Firmware is responsible for implementing the major differentiating features of Astera Labs’ products. As such, firmware is considered equally important to the hardware, and the firmware team is often customer-facing accordingly to ensure the needs of the customer are fully comprehended.

Basic qualifications

• Strong academic and technical background in Electronics/Electrical/Computer Science engineering. At a minimum, a Bachelor’s is required, and a Master’s is preferred.

• Minimum 5 years’ experience supporting or developing complex SoC/silicon products for Server, Storage, and/or Networking applications.

• Experience developing firmware to execute in on-chip microcontrollers as well as C-language software development kits (SDKs) to execute on system management controllers (e.g. BMC).

• Experience working with logic designers to architect and verify HW-SW interfaces on complex SoCs.

• Professional attitude with the ability to prioritize a dynamic list of multiple tasks, to plan and prepare for customer meetings in advance, and to work with minimal guidance and supervision.

• Entrepreneurial, open-minded behavior and can-do attitude. Think and act fast with the customer in mind!

Required experience

• MQX RTOS or ThreadX Development or enablement

• High level of proficiency in C (preferred) or C++, including development of C-based SDKs

• High level of proficiency in Python for automating pre-processors/post-processors and FW QC

• Working knowledge of software/firmware build environments, gcc/Make, Doxygen, and GitHub.

• Hands-on experience with Server, Storage, and/or Networking equipment (e.g. Network Switches).

• Familiarity with SoC interfaces to common IP blocks such as PCIe Controllers, DDR Controllers, NVME Controllers, AMBA/AHB interfaces, on-chip memory interfaces, and other similar interfaces

• Direct experience working on products with high-speed interfaces common in Data Center equipment: PCI- Express (Gen-3 and above), 100/400G Ethernet, Infiniband, DDR, NVMe, USB, etc.

• Deep understanding of the L1, L2 and L3(good to have), and solid understanding of the IEEE 802.3(802.3df, 802.3db (good to have), 802.3de, 802.33dd)
• Experience developing the firmware for any of the TCP/IP based SoC (switch SoC or NIC function SoC) focusing on all aspects of RAS and its interface development for better user experience. 

Preferred experience

• Experience developing firmware to execute in on-chip microcontrollers as well as C-language SDKs to execute on system management controllers (e.g. BMC)

• Experience developing embedded firmware for PCIe or Ethernet Switch products

• Experience with industry forums and collaboration workgroups such as OCP and OpenBMC

As a Machine Learning Engineer Intern at Optiver, you’ll work alongside experienced engineers on high-performing systems that respond to live financial markets in real time.

You’ll contribute to the compute platforms and libraries that support large-scale machine learning model training and simulation workloads, gaining hands-on experience applying modern ML techniques to real quantitative trading problems. Within weeks, you could be building tools or models that run in production and directly support our trading strategies.

By the end of the 8-week internship, you’ll have a clear and practical understanding of how technology and ML techniques are used in the quantitative trading industry. Plus, if you’ve excelled over the summer, you’ll receive an offer to return as a Machine Learning Engineer.

WHAT YOU’LL DO:

Led by our in-house education team that consists of ex-traders and engineers, you’ll delve into advanced engineering concepts and lead innovative projects, during our world-class training program.

In just a few weeks, you'll have the opportunity to:

• Gain first-hand experience applying the latest AI technology to quantitative trading problems.

• Help build the compute platform and libraries for large scale machine learning model training and simulation workloads.

• Manage a project end-to-end, learn how to work with a complex code base and make impactful contributions to production systems.

• Work on real trading and IT problems, both technically and functionally, to improve our trading success.

Throughout the program, you'll be paired with an experienced mentor, who will show you the ins-and-outs of our trading systems, and provide you with guidance and feedback.

Additionally, internal resources will be available for your continuous learning and development.

WHAT YOU’LL GET:

You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the most complex problems in the financial markets.

In addition, you’ll receive:

• A highly competitive remuneration package.

• Optiver-covered flights and accommodation for the duration of the internship.

• The opportunity to work alongside best-in-class professionals.

• Training, mentorship and personal development opportunities.

• Gym membership, plus weekly in-house chair massages.

• Daily breakfast, lunch and in-house barista.

• Regular social events.
  
  

WHO YOU ARE:

• Students graduating in 2027 or later.

• Foundations in Machine Learning fundamentals, including optimisation and deep learning concepts.

• Hands-on experience with deep learning frameworks such as PyTorch, JAX, or similar.

• Interested in building scalable and reproducible machine learning pipelines, including data preprocessing, training, evaluation, and experiment tracking.

• Natural problem solvers who love nothing more than tackling a complex technical challenge.

• Team players who thrive in collaborative environments and are eager to learn, iterate, and improve.

• Interested in the trading / quantitative finance industry (prior finance knowledge is not required).
  
  Optional:

• Ability to identify and reason about compute and performance bottlenecks, using profiling, benchmarking, and systematic analysis to improve training efficiency.

• Experience with distributed training or GPU acceleration is a plus.

• Familiarity with experiment management tools (e.g. MLflow, Weights & Biases) or workflow orchestration is a plus.

HOW TO APPLY:

If you're ready to take the next step in your career and work on one of the most exciting trading floors in mainland China, we’d love to hear from you. Apply now via the form below. Applications close 16 March 2026.

In your application, please submit the following materials in English:

• Resume

• Cover letter (optional)

For any other inquiries, contact us at chinacareers@optiver.com.au

DIVERSITY STATEMENT

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

We accept one application per role per year. If you have previously applied to this position during this season and have been unsuccessful, you can re-apply when the next recruitment season begins in 2027.

PRIVACY DISCLAIMER

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

The opportunity:

Flexport is a platform for global trade in an industry that comprises 12% of the global GDP.  We are the first licensed freight forwarder and customs brokerage built around a modern tech stack.  We help the world's fastest-growing brands manage their international supply chains, providing a fully-managed service for moving products between any two places on the planet.

Exceptional software development is integral in allowing us to fulfill our mission of fixing the user experience in global trade. At Flexport you’ll develop products that are at the forefront of reshaping the entire logistics & supply chain industries. You’ll work alongside self-starters interested in solving real-world problems and streamlining the inefficiencies in the complex global trade industry. You’ll have the opportunity to reshape an industry by creating the new operating system for global trade.

Our engineers are top-notch software developers who love listening to the users, working as a team, and proactively taking the lead whenever necessary. The role involves learning the business of freight forwarding, modeling the work that people do to move freight, designing solutions to make it more efficient, and thinking innovatively to automate much of it. In this role, you will have an opportunity to own the design and development of key parts of our forwarding systems. You will have influence on subsystem design and help contribute to a team culture around practices that are critical to a quality product. 

About the team:

We have multiple teams in Shanghai and Shenzhen working on a suite of core products and services that enable Flexport operation to scale, including Forwarding Application, Client Application, Shipper Application, WMS, Consol Planning Tool, Document Platform (AI empowered), Email Platform, Compliance Platform, Work Assignment Engine, Exception Management, AI Copilot, Insight Builder (AI Data Analytics) and so on. 

In addition, we have a NAWS (Native AWS) team that develops infrastructure solutions for our products and services using the latest Infrastructure as Code (IaC) technology: CDKTF (Cloud Development Kit for Terraform). Our scope includes, but is not limited to, CI/CD, observability, DevX, data subsetting (TS3), IaC, template engines, and various open-source projects. Additionally, the team provides technical guidance to engineers across the organization.

We are looking for engineers who love learning, are passionate about collaborating, and desire to build solutions with a global impact.

You will:

• Build highly available, secure, distributed systems in a microservice architecture.
• Build cutting edge infrastructure solutions to help improve development experience across the company. And, work closely with other engineering teams to help them solve infrastructure related problems.
• Design, develop, test and maintain systems that represent the real-world intricacies of logistics entities, such as shipper, client, cargo, document, carrier, container, email etc.
• Collaborate with some of the best engineers in the industry to work on complex business and technical problems.
• Work closely with business partners and product managers to distill complex business problems into elegant technical solutions.
• Build and launch products rapidly and incrementally. We ship to production dozens of times per day.
• Ensure our products maintain a high-quality bar. We believe in anticipating issues by obsessing over metrics and applying key learnings from post-mortems to all our services.
• Geek out about shipping and logistics. (We do this often.)

You should have:

Basic Qualifications

• 3+ years of experience writing software, and a strong engineering background.
• 2+ years of design and architecture knowledge as well as familiarity with object-oriented analysis and design patterns (OOA/OOD)
• Knowledge of at least one programming language such as TypeScript, Ruby, C, C++, Java, or Kotlin
• Bachelor's degree in Computer Science or related technical field, or equivalent experience

Preferred Qualifications

• A love of simple, well-tested code that is easy to extend and hard to break.
• A bias for action. When you see a problem, you solve it.
• The ability to convey technical ideas in common terms to business partners, product managers, and engineers alike.
• Experience building large scale, high-performance systems in a complex, multi-tiered, distributed environment
• Understanding of performance tradeoffs, load balancing and operational issues
• Knowledge of professional software engineering practices & best practices for full software development life cycle, including coding standards, code reviews, source control management, continuous deployments, testing, and operations
• Experience with Infrastructure as Code (IaC) tools such as CDKTF, Terraform, AWS CloudFormation, or similar.
• Having basic concepts in AWS services, including IAM, EC2, ECS, S3, Lambda, Step Functions, EventBridge, and VPC, or equivalent services from other cloud providers.
• Familiarity with CI/CD pipelines, infrastructure automation, and monitoring/observability tools.
• Ability to troubleshoot and optimize distributed systems and cloud deployments.
• Non-optional: an aptitude for learning quickly.

Engineering Culture and Values:

• Check out our Key Values profile.

#LI-onsite

Reports To

Manager, Mechanical Design Engineering

What You Will Be Doing

The Mechanical Design Engineering (MDE) Team is seeking a Senior Packaging Design Engineer to join our team. As a member of the MDE team, you will be a driving force of innovation and help build the future of electric vehicle charging.

The Senior Packaging Design Engineer will play a direct role in the packaging and label designs for ChargePoint’s products.  We are seeking a confident and personable engineer with exceptional packaging design experience, including design for manufacturing and design for cost. 

What You Will Bring to ChargePoint

As a Senior Packaging Design Engineer, your responsibilities will focus on both working with Contract Manufacturer’s packaging engineers as well as designing packaging and labels directly, focusing on cost effectiveness, packaging testing, design for packaging performance of current production and new products:

• Use CAD software and other design tools to create packaging models and specifications that meet ISTA standards such as 2A, 2B.
• Design product labels that are visually appealing, informative, and compliant with regulatory standards.  Using graphic design software (e.g., Adobe Illustrator)
• Lead and mentor packaging design engineers working at contract manufacturing sites, ensuring alignment with company standards and project goals.
• Coordinate cross-site packaging development efforts, managing timelines, deliverables, and communication between internal teams and external partners.
• Conduct prototyping and testing to validate packaging performance under various conditions (e.g., drop tests, vibration tests).
• Establish design best practices and technical guidelines for packaging engineers across multiple contract manufacturers.
• Review and approve packaging designs submitted by contract teams, providing feedback and ensuring compliance with performance, sustainability, and cost targets.
• Facilitate training and knowledge sharing, helping contract engineers stay updated on new materials, technologies, and regulatory changes.
• Resolve technical challenges and escalate issues as needed to ensure smooth execution of packaging programs.
• Act as the primary point of contact between internal stakeholders and contract packaging teams, fostering strong relationships and accountability.
• Identifying design opportunities for quality, cost, assembly, and manufacturing

Requirements

• Fluent in Mandarin, and able to communicate technically in English with USA-based design teams.
• Bachelor’s degree in Mechanical or Packaging Engineering or related field
• Minimum 5 years of industry experience as a Packaging Design Engineer
• Proficient in CAD, 5 yrs minimum.
• Strong working knowledge of packaging materials including corrugated materials, plastics, pallets, and sustainable alternatives.
• A self-starter who is comfortable driving multiple projects and designs simultaneously.
• Ability to learn quickly and operate outside of your comfort zone
• Ability to travel in Asia to work face to face with contract manufacturers

Preferred 

The ideal candidate would also have experience in the following areas: 

• Experience implementing sustainable or green packaging strategies in a high‑volume hardware or industrial product environment.
• Experience collaborating with testing labs to conduct drop, vibration, compression, and climatic tests as required by ISTA procedures.
• Analyze test results to identify failure points and optimize packaging design for improved protection and cost-efficiency.
• Knowledge of global environmental packaging regulations and labeling requirements (e.g., recyclability markings, material disclosures)

Location

Shanghai, China - Remote

[Responsibilities]

• Customer Support & Escalation Management
  • Act as the single point of contact (POC) for customer technical issues and requests
  • Own customer escalations from problem identification through root cause analysis and final closure
  • Lead cross‑functional task forces and interface with BU Engineering and global support teams to resolve critical issues
• Tool Performance & Availability Improvement
  • Drive continuous improvement of system uptime, availability, and performance at customer sites
  • Analyze top issues using Pareto and data‑driven methodologies and prioritize corrective actions
  • Ensure implementation of corrective and preventive actions to avoid repeat issues
• Quality, NC, and Retrofit Management
  • Manage Non‑Conformances (NCs) and lead completion of 8D reports for critical issues
  • Support FCO, retrofit, and TSB activities for released products
  • Oversee IQ and warranty management to meet cycle time, cost, and quality targets
• NPI / CIP Support
  • Support NPI and CIP activities from a customer and field implementation perspective
  • Act as the product expert for assigned tools, ensuring knowledge transfer and best practice deployment
  • Collaborate with internal teams to feedback customer issues and drive design and process improvements
• Communication & Stakeholder Management
  • Provide clear and timely communication of issue status, risks, and action plans
  • Align internally with management and engineering on priorities and customer commitments
  • Maintain strong, trust‑based relationships with customers through professional and effective communication

[Requirements]

• Bachelor’s degree or higher in Engineering or a related technical field
• Strong system‑level understanding of hardware, software, and process integration
• Experience in semiconductor equipment support, product support, or field engineering roles
• Proven ability to manage customer escalations and work in high‑pressure environments
• Willingness to travel frequently to customer sites (travel percentage varies by assignment)

[Competencies]

• Strong customer focus and ownership mindset
• Structured problem‑solving and root cause analysis skills
• Excellent communication and stakeholder management skills
• Ability to lead cross‑functional teams and drive issues to closure

Role Overview

Astera Labs is seeking a Principal Product Applications Engineer to join our Taurus Ethernet Smart Cable Modules team and drive customer success at the forefront of AI infrastructure connectivity. As data centers scale to meet explosive AI workload demands, our Taurus products are enabling the high-bandwidth, low-latency Ethernet fabric connections that power next-generation GPU clusters and disaggregated computing architectures.

In this role, you'll be the technical expert customers rely on to successfully deploy Taurus Ethernet solutions in their most demanding environments. You'll work hands-on with hyperscalers, OEMs, and AI system builders to debug complex physical layer challenges, deliver technical enablement, and ensure seamless product integration. Your customer insights will directly influence how we evolve our products to meet the market's most pressing connectivity needs.

This is a unique opportunity to combine deep Ethernet and physical layer expertise with meaningful customer impact at a hyper-growth company defining the future of AI connectivity. You'll collaborate across engineering, sales, and product teams while building relationships with the world's most innovative technology companies.

Key Responsibilities

· Customer Technical Engagement

o Serve as the primary technical resource for customers evaluating and deploying Taurus Ethernet Smart Cable Modules

o Deliver technical presentations, product training, and hands-on demonstrations to customer engineering teams

o Build trusted relationships with key accounts and drive successful product adoption

· System-Level Debug & Validation Support

o Lead root cause analysis and debugging of complex Ethernet physical layer and link issues in customer systems

o Support customer lab bring-up, characterization, and system validation activities

o Develop and execute test plans to reproduce and resolve customer-reported issues

o Experience with firmware handling preferred

· Technical Documentation & Enablement

o Create application notes, integration guides, and best practices documentation for Ethernet system implementation

o Develop technical collateral that accelerates customer time-to-deployment

o Contribute to product documentation including datasheets and user guides

· Cross-Functional Collaboration

o Partner with product management and engineering to translate customer feedback into product requirements

o Support sales teams with technical expertise during pre-sales and post-sales engagements

o Represent voice of the customer in internal roadmap discussions and feature prioritization

Basic Qualifications

· Bachelor's degree in Electrical Engineering, Computer Engineering, or related field

· 8+ years of experience in applications engineering, technical support, or system engineering roles

· Strong understanding of Ethernet physical layer specifications (100G/200G/400G/800G)

· Hands-on experience with lab equipment including oscilloscopes, protocol analyzers, and BER test tools

· Experience debugging high-speed serial interfaces and signal integrity challenges

· Excellent written and verbal communication skills with ability to convey complex technical concepts

· Ability to travel within mainland China and Asia for customer debug

Preferred Qualifications

· Experience with optical modules, active cables, or similar high-speed connectivity components

· Familiarity with AI/ML system architectures, GPU clusters, or data center networking

· Background in signal integrity analysis and simulation

· Scripting proficiency (Python, TCL) for test automation and data analysis

· Prior experience working with hyperscale or enterprise data center customers

· Knowledge of Ethernet consortium specifications and industry standards

NOTE: NO VISA SUPPORT

The Community You Will Join:

The Global Markets Tech team drives the evolution of our guest and host experience across international markets through product innovation that accelerates international growth. Expanding in under-penetrated markets is a core pillar of our company strategy. To achieve this, we innovate at every level - adapting our  product to the unique needs of every corner of the globe so that every user across our 220+ countries and regions feels right at home.

The team partners closely with Product, Design, Data Science, regional stakeholders, and core platform/vertical teams to translate local market needs into durable, scalable technology that can be piloted quickly and then rolled out broadly.

The Difference You Will Make:

A Senior Software Engineer in Global Markets is expected to deliver measurable international growth impact by building scalable product capabilities across key funnel surfaces (landing → search → pre‑booking) and by improving pricing, promotions, and discounts to increase conversion and customer value across markets.

A Typical Day

• Partner with PM/Design/Data Science to clarify goals, requirements, constraints, and success metrics, and translate them into a sequenced technical plan.
• Write or review technical designs, align tradeoffs, and coordinate dependencies with partner teams across regions.
• Build production code and services with a high quality bar: testing, documentation, instrumentation, and performance/reliability considerations.
• Run design and code reviews, advise engineers, and help drive consistent engineering standards across the team.
• Own delivery: track execution risks, provide stakeholder updates, coordinate launches (including localization/market rollout), and monitor post-launch results to iterate quickly.

Your Expertise

• Fluency in English is required. Japanese or Korean working proficiency is a plus .
• 6+ years of hands-on software engineering experience, with a strong track record shipping production systems.
• Solid understanding of large-scale backend architecture and distributed systems patterns (e.g., well-designed APIs, scalable data models, high-throughput services/pipelines, and performance-aware algorithms).
• Proven ability to drive ambiguous problems to resolution: break down open-ended requirements, propose pragmatic solutions, and execute independently while keeping stakeholders aligned.
• Strong programming skills in one or more of the following: Java, Kotlin, Python, Ruby/Ruby on Rails, JavaScript/TypeScript, with experience building and operating backend services.
• High engineering quality bar: you write clean, testable, maintainable code, and you design with reliability, observability, and operational readiness in mind.
• You actively raise the team’s technical bar through thoughtful code reviews, architecture discussions, and sharing best practices that improve overall team productivity.
• Data-informed decision making: you use metrics and experimentation to validate impact, diagnose issues, and iterate toward better outcomes—recognizing that small improvements in these flows can drive meaningful business results.
• Strong collaboration and communication skills: you work effectively across engineering teams and with Product, Design, and Data partners in a global environment.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

The responsibilities of our Platform team include building and maintaining all backend services, including, but not limited to, payments, analytics, subscriptions, new products, text to speech, and external APIs.

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, is passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Design, develop, and maintain robust APIs including public TTS API, internal APIs like Payment, Subscription, Auth and Consumption Tracking, ensuring they meet business and scalability requirements
• Oversee the full backend API landscape, enhancing and optimizing for performance and maintainability
• Collaborate on B2B solutions, focusing on customization and integration needs for enterprise clients
• Work closely with cross-functional teams to align backend architecture with overall product strategy and user experience

An Ideal Candidate Should Have

• Proven experience in backend development: TS/Node (required)
• Direct experience with GCP and knowledge of AWS, Azure, or other cloud providers
• Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact
• Preferred: Experience with Docker and containerized deployments
• Preferred: Proficiency in deploying high availability applications on Kubernetes

What We Offer

• A dynamic environment where your contributions shape the company and its products
• A team that values innovation, intuition, and drive
• Autonomy, fostering focus and creativity
• The opportunity to have a significant impact in a revolutionary industry
• Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture
• The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more
• An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Location: Shanghai, China (Global Engineering Hub) Organization Size: ~30 Engineers | 2–3 Engineering Managers

Position Summary

As the Senior Engineering Manager for the Mobile App team, you will be the strategic lead for our mobile engineering organization. You will move the team from a "task-driven" unit to a "mission-driven" powerhouse, overseeing the development and optimization of our native iOS and Android applications. You will be responsible for a team of approximately 30 engineers through a "manager of managers" structure, ensuring that our mobile platforms deliver elite-level customer experiences, performance, and stability for our global e-commerce audience.

Key Responsibilities

Strategic Leadership & Team Growth

• Team Evolution:Directly manage and mentor 2–3 Engineering Managers; cultivate a high-performing, autonomous culture focused on ownership, continuous learning, and digital fluency.
• Talent Strategy:Lead talent and succession planning, identifying internal high-potentials and utilizing strategic global sourcing to ensure team resilience.
• Culture Reshaping:Reset the organization’s culture from "executing tickets" to "owning outcomes," fostering a mission-driven mindset that eliminates cross-functional friction.

Operational Excellence & Execution

• Delivery Governance:Oversee project execution from concept to deployment, ensuring on-time, high-quality delivery across high-stakes initiatives.
• Agile Execution:Implement sophisticated performance frameworks to measure real engineering health, flow efficiency, and developer experience.
• Cross-Functional Alignment:Serve as a strategic partner to Product Managers, UX Designers, and other domain software managers to align the mobile roadmap with overarching business objectives.

Technical Innovation & Architecture

• Native Excellence:Drive the technical vision for native iOS (Swift) and Android (Kotlin) platforms, ensuring a modular, scalable architecture that minimizes technical debt.
• AI-Native SDLC:Lead the integration of AI-augmented development workflows (e.g., Claude Code, Kiro, Snyk/Figma MCP) to serve as a force multiplier for testing, documentation, and code generation.
• System Integrity:Ensure robust monitoring, logging, and governance to maintain industry-leading standards for app stability, security, and performance.

Required Qualifications

• Experience:12+ years of software engineering experience, with at least 5+ years in a people leadership role managing multiple teams or managers.
• Technical Mastery:Deep, hands-on expertise in Native Mobile Development (iOS/Swift and Android/Kotlin) is a must. You should have a proven track record of moving from a Principal Engineer to a Senior Leadership role.
• Domain Expertise:Prior experience in a fast-paced e-commerce or consumer-facing digital environment is highly preferred.
• Architectural Depth:Strong understanding of mobile app lifecycles, app store processes, RESTful APIs, and modern DevOps practices (CI/CD, observability).
• Education:Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

What You’ll Bring

• Business Intelligence:The ability to translate complex technical decisions into business value (revenue, margin, and retention) for executive leadership.
• Innovation Mindset:A passion for staying ahead of tech trends—including Agentic AI and Multi-Agent Orchestration—and the vision to apply them to real-world business problems.
• Collaborative Style:An influential leadership style that builds trust across distributed global teams and fosters a culture of technical rigor.

#LI-OJ1
 
 

WHO WE ARE

Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.

Since its establishment in 2012, our Shanghai office is a rapidly growing participant in the Chinese markets, trading exchange-listed futures, options and equities in China mainland. Our vision is to become the trusted partner in the development of Chinese financial markets. With the culture of a start-up but the backing of a 35+ year-old trading firm, the Optiver Shanghai office is truly unique. Everyone who joins us will help shape the future of our company and its global impact. Get ready: we are only just beginning.

The Optiver Linux Systems Engineering Team ensures our trading servers work so we can trade. You will work in a highly-customized bare metal environment where proprietary tools and technology run at breakneck speed. You will be expected to help build the pioneering tools to keep our systems best-in-class while enabling our technology evolution in a controlled way. At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.

WHAT YOU’LL DO

• Tackle the life cycle of a server and build and deploy new solutions.
• Performance monitoring and managing the system capacity.
• Fix and analyze technical incidents, solve technical ad hoc problems.
• Lead our charge to intelligent automation.
• Be the connection between hardware and software.
• Research new technologies and solutions, implement them or build better.

WHO YOU ARE

• A Systems Engineer with Experience in designing, deploying and supporting large scale Linux/Unix server environments
• Good knowledge of Linux Kernel internals
• Have a developer mindset to help build the right tools for our continual improvement
• Solid coding skills in Python and a strong desire to automate
• Experience within a high-performance computer environment where the result matters
• Infrastructure-as-Code with an Ansible flavor
• You are naturally curious about hardware and software, and how these interact
• Knowledge of virtualization and networking
• A proactive approach to problem solving
• You are able to clearly explain your thoughts through written and verbal communication, ask the right questions, and are not afraid to challenge or defend a strategy
• You seek out opportunities to leave your comfort zone and enjoy frequent change

 WHAT YOU'LL GET

• A performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool, fostering a truly collaborative environment.

• The chance to work alongside diverse and intelligent peers in a rewarding environment.

• Training, mentorship and personal development opportunities.

• Daily breakfast, lunch and snacks.

• Gym membership, sports and leisure activities, plus weekly in-house chair massages

• Regular social events, clubs and Friday afternoon drinks.

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

Questions? Get in touch with the recruitment team at careers@optiver.com.au.

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

Position Description

Inspections Superintendent - China 

Permanent Full Time 

This role can be based in multiple locations in China

The Inspections Superintendent is responsible for maintaining and managing the quality of an effective and efficient vessel inspection system to service the needs of our customers. 

We are currently only looking for Engineers, while we appreciate applications from Master Mariners, they will not be considered at this moment of time.

Major Responsibilities   

INSPECTIONS 

• As a member of the Inspections team, assist in the development and delivery of all inspections products. 
• Ensure that inspections of vessels ordered by the owners/managers of vessels are undertaken in a timely manner, reviewed, and finalised in accordance with guidelines.  
• Provide feedback on the quality of inspection companies.   
• Assist with the investigation of any complaints received.   
• Recommend changes to procedures to ensure Inspections integrate with the broader vetting function.   
• Assess the quality of inspections and provide feedback about an inspector’s performance.   
• Conduct assessment of DOC Holders to determine their conformance with relevant standards and their suitability for use by RightShip customers.   

VETTING 

• Perform vetting activities of barges and other type of vessels as per agreed RightShip’s and/or individual customer’s criteria  
• Conduct assessment of DOC Holders to determine their conformance with relevant standards and their suitability for use by RightShip customers  
• Carry out PSC / INC reviews as required 
• Provide support to RightShip customers on their marine activities as requested  
• Conduct review and assessment of Port State Control Inspection reports, Incident investigation reports and Customer Feedback reports 
• Contribute to update RightShip Vetting platform using pro-active reporting from shipowners, RightShip customers and other identified sources 
• Provide feedback / advice to the regional manager to identify the changes in rules / regulations in maritime to ensure readiness / compliance and development of RightShip standards and practices 
• Provide support to respond to queries about RightShip activities (i.e. vetting, risk rating, GHG rating, Inspections, etc) 
• Ensure that all correspondence with external parties and provided documentation is properly maintained and archived as per company procedures 

Qualifications, Skills & Experience  

• Master Mariner or Chief Engineer and have sailed in a senior capacity (Master/Chief Engineer/Mate) on International Trading Dry Carriers and Tankers for at between least 3-5 years sea time. Marine Engineers highly preferred.
• Shore based employment in a management capacity directly involved with the day to day technical and/or cargo operations of crude oil/petroleum product tankers.  This could include service as Petroleum Terminal Superintendent responsible for loading and discharging ships, Tanker Cargo Expeditors and Classification Society Surveyors with demonstrable tanker operations knowledge  
• Preferably have sat and passed the OCIMF/SIRE examination for tankers/gas/chemical inspections. 
• Practical knowledge of ship construction, ship structures, ship machinery, ship repairing, ships’ operations, Chartering and Quality Management System. Including the ISM Code and safety Management Systems. 
• A thorough understanding of ship surveys and certification including PSC, USCG, Flag State Surveys. 
• A good understanding of International Legislation relevant to shipping (relevant IMO and ILO regulations) and the Industry Practices and ISM Code, STCW. 
• A thorough understanding of vessel operations including current Mandatory requirements (ISM Code), Industry Standards, & recommended best practices (such as put out by ICS, etc.)

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

We're looking to hire for our Data side of our AI team at Speechify. This role is responsible for all aspects of data collection to support our model training operations. We are able to build high-quality datasets at petabyte-scale and low cost through a tight integration of infrastructure, engineering, and research work. We are looking for a skilled Software Engineer to join us.

What You’ll Do

• Be scrappy to find new sources of audio data and bring it into our ingestion pipeline
• Operate and extend the cloud infrastructure for our ingestion pipeline, currently running on GCP and managed with Terraform.
• Collaborate closely with our Scientists to shift the cost/throughput/quality frontier, delivering richer data at bigger scale and lower cost to power our next-generation models.
• Collaborate with others on the AI Team and Speechify Leadership to craft the AI Team’s dataset roadmap to power Speechify’s next-generation consumer and enterprise products.

An Ideal Candidate Should Have

• BS/MS/PhD in Computer Science or a related field.
• 5+ years of industry experience in software development.
• Proficiency with bash/Python scripting in Linux environments
• Proficiency in Docker and Infrastructure-as-Code concepts and professional experience with at least one major Cloud Provider (we use GCP)
• Experience with web crawlers, large-scale data processing workflows is a plus
• Ability to handle multiple tasks and adapt to changing priorities.
• Strong communication skills, both written and verbal.

What we offer

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest-growing sectors of tech, the intersection of artificial intelligence and audio.

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its Design award winner for inclusivity for 2025.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us forward.   

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features
• Shape the future of our Android team
• Own, maintain and improve reliability metrics for key features
• Participate in discussions across different teams - Product, Design, Engineering
• Review pull requests, and support other teammates
• Handle critical issues or cope with unexpected challenges 
• Take ownership of feature releases and provide nightly builds for the QA team

An Ideal Candidate Should Have

• 5+ years of software engineering experience
• Familiarity with Android components
• Experience building or contributing to at least one Android app
• Product design intuition and user empathy
• Drive to push the boundaries of Android UI/UX
• Understanding of the importance of tests and how to approach writing tests
• Self-drive to improve the app and codebase above and beyond what's outlined in the spec
• Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests
• Excellent communication skills
• User oriented problem solving approach
• Driven with continuous feedback from leaders

Bonus:

• Experience building, maintaining, or otherwise contributing to open source projects in Android
• Experience with iOS, Web or NodeJS

Technologies we use:

• Kotlin
• Kotlin Coroutines
• Kotlin Flow
• Jetpack Navigation
• Dagger 2
• Room
• Custom Views, Canvas & Paint
• Jetpack Compose
• JUnit

What We offer:

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its App of the Day.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our iOS app, being the #18 productivity app in the App Store category and also our recent recognition as Apple's 2025 Design Award for inclusivity, we find the need for a Senior iOS Engineer to help us support the new user base as well as work on new and exciting projects to push our missing forward.   

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Opportunity to lead key engineering and product decisions
• Actively shipping production code for the Speechify iOS app
• Work within a dedicated product team
• Participate in product discussions to shape the product roadmap
• Maintain and enhance the existing complex app architecture

An Ideal Candidate Should Have

• Experience. You've worked on products that scaled to a large user base
• Track record. You have worked on various products from inception to decent traction. You have been responsible for engineering the product
• Customer obsession. We expect every team member whose responsibilities directly impact customers to be constantly obsessed about providing the best possible experience
• Product thinking. You make thoughtful decisions about the evolution of your product and support internal teams and designers into taking the right direction
• Speed. You work quickly to generate ideas and know how to decide which things can ship now and what things need time
• Focus. We’re a high-growth startup with a busy, remote team. You know how and when to engage or be heads down
• Technical skills. Swift, SwiftUI

Technical Requirements:

• Swift Programming Language
• SwiftUI experience
• Experience in Multithreading Programming
• Working with CI/CD infrastructure
• Experience with Fastlane
• SOLID principles, the ability to write every single class according to SOLID
• Experience with Git and understanding of different Git strategies

What We offer:

• A fast-growing environment where you can help shape the company and product
• An entrepreneurial crew that supports risk, intuition, and hustle
• The opportunity to make a big impact in a transformative industry
• A competitive salary, a collegiate atmosphere, and a commitment to building a great asynchronous culture
• Work on a product that millions of people use and where daily feedback includes users sharing that they cried when they first found the product because it was so impactful on their lives
• Support people with learning differences like Dyslexia, ADD, Low Vision, Concussions, Autism, and Second Language Learners, and give reading superpowers to professionals all over the world
• Work in one of the fastest growing sectors of tech: Intersection of Artificial Intelligence and Audio

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace.

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Mission

Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster.

What streaming services have done for audio entertainment, we’re doing for audio information. And whatever we’re doing seems to be working. We’re #1 in our category, and experiencing exponential growth.

Overview

We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify’s product experience across platforms. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.

What You’ll Do

• Collaborate with Speechify’s Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK
• Optimize existing functionality to ship things like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms
• Ship cloud functions, lightweight backend services, and jobs using Kotlin

An Ideal Candidate Should Have

• Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable.
• Speed. You work quickly to generate ideas and options and know how to decide which things can ship now and what things need time
• Focus. We’re a high-growth startup with a busy, remote team. You know how and when to engage or be heads down
• Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs
• Preferred Tech Stack:
  • Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) 
  • Prior experience with GCP is a plus

What We Offer

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Required:

• 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
• Deep understanding of Windows application architecture, including interop between managed code (.NET) and native code.
• Proven track record of designing, building, and shipping production-quality desktop applications, with an emphasis on reliability, performance, scalability, and maintainability.
• Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software.
• Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant).
• Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions.
• Strong communication skills; ability to articulate tradeoffs, collaborate with cross-functional teams, and drive consensus.
• A user-centric mindset: focus on building polished, intuitive, and accessible experiences for end users.

Preferred / Bonus:

• Experience with writing automated tests for UI — unit tests, integration tests, UI automation tests; familiarity with relevant testing frameworks.
• Experience with performance optimization for desktop apps (memory usage, startup time, rendering performance, high-DPI support, responsiveness under load).
• Experience with localization/globalization, right-to-left UI support, internationalization, accessibility for multiple regions.
• Familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.
• Previous experience in shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
• Demonstrated ability to take ownership of feature areas or modules and drive them long-term, including maintenance, refactoring, and technical debt management.

What we offer

• A high-impact role: you will define architecture, shape the future of our Windows product, and directly influence what millions of users see and experience.
• A collaborative, flat-structure engineering culture — you are not just a coder, but a builder and a decision-maker.
• Opportunities to lead — mentor others, steer technical direction, and grow into broader technical leadership (e.g. Tech Lead, Architect).
• Flexibility, autonomy, and responsibility: you define how to solve problems, own features end-to-end, and contribute to long-term product vision.
• A purpose-driven mission: building software that’s reliable, accessible, and user-centered — making a real difference for people.                  

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 
Refer them! 

Speechify is committed to a diverse and inclusive workplace. 
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

The responsibilities of our Platform team include building and maintaining all backend services, including, but not limited to, payments, analytics, subscriptions, new products, text to speech, and external APIs.

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, is passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Design, develop, and maintain robust APIs including public TTS API, internal APIs like Payment, Subscription, Auth and Consumption Tracking, ensuring they meet business and scalability requirements
• Oversee the full backend API landscape, enhancing and optimizing for performance and maintainability
• Collaborate on B2B solutions, focusing on customization and integration needs for enterprise clients
• Work closely with cross-functional teams to align backend architecture with overall product strategy and user experience

An Ideal Candidate Should Have

• Proven experience in backend development: TS/Node (required)
• Direct experience with GCP and knowledge of AWS, Azure, or other cloud providers
• Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact
• Preferred: Experience with Docker and containerized deployments
• Preferred: Proficiency in deploying high availability applications on Kubernetes

What We Offer

• A dynamic environment where your contributions shape the company and its products
• A team that values innovation, intuition, and drive
• Autonomy, fostering focus and creativity
• The opportunity to have a significant impact in a revolutionary industry
• Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture
• The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more
• An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Scopely's Security team is looking for an Anticheat Engineer to build a new client security function in China. You will design and ship client/server-side protections for large-scale mobile games, combat sophisticated cheating ecosystems, and help ensure fair play for tens of millions of players.

What You Will Do

• Build, and grow the Client Security team in China, setting China specific technical direction, and operational best practices.
• Design, implement, and maintain client-side detections against third‑party cheating tools, modified clients, hooking frameworks, and emulators on Android and iOS.
• Own the client security integration into Scopely's internal anti-cheat platforms working closely with teams to ensure detections are actionable and scalable.
• Define and evolve the obfuscation and hardening strategy for China mobile builds (e.g., binary protection, anti-debugging, anti-tamper, integrity checks), including evaluating and integrating third‑party hardening vendors where appropriate.
• Build and maintain strong coverage for the China mobile ecosystem, including:
• distribution through multiple Android app stores and OEM devices,
• diverse OS/ROM variants and rooted/jailbroken environments,
• and local PC/emulator-based cheating patterns.
• Contribute hands-on code (C++ plus Java/Kotlin and/or Objective‑C/Swift) in security‑sensitive paths, including detection logic, integrity checks, and secure client–server protocols.

What We’re Looking For

• Experience in mobile security, game anti-cheat, or client-side security engineering, including time working directly on Android or iOS native code.
• Direct experience with reverse engineering.
• Deep hands-on experience with:
• Android and IOS internals 
• hooking and instrumentation frameworks,
• and common mobile client security attack vectors.
• Strong proficiency in C/C++ and at least one mobile native language (Java/Kotlin for Android or Objective‑C/Swift for iOS), including experience shipping production code in large apps.
• Demonstrated experience designing and shipping client-side anti-cheat or integrity systems that integrate with server-side enforcement or analytics pipelines.
• Prior experience ing or technically directing a small engineering team 
• Experience working with large-scale telemetry or anti-abuse pipelines and using data to tune detections and reduce false positives.
• Professional proficiency in both Mandarin and English, written and spoken
• Requires five days per week in the office

Bonus Points

• BS / MS in Computer Science or Software Engineering or equivalent
• Experience shipping and securing mobile games or other large-scale consumer apps specific to the China market, specific exposure to:
• multiple Android app-store ecosystems and OEM variations,
• desktop/mobile emulator usage patterns,
• and tooling development experience specific for china mobile games 
• Previous CTF experience, and CVE contributing experience
• Prior work on client obfuscation / hardening pipelines, including vendor evaluation and integration, and handling performance and stability tradeoffs.
• Familiarity with large-scale cloud environments, streaming data processing, and monitoring/alerting

Principal Engineer, Ecosystem Partnership & Marketing – Asia Region 

Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink, PCIe®, and UALink™ semiconductor-based technologies with the company’s COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity. The company’s custom connectivity solutions business complements its standards-based portfolio, enabling customers to deploy tailored architectures to meet their unique infrastructure requirements. Learn more at www.asteralabs.com. 

Are you passionate about creating differentiated products and working with hyperscale and AI platform providers to deploy the next generation of data center infrastructure?    

We are seeking a highly technical and experienced Principal Ecosystem Partnership & Marketing Manager drive business growth, product adoption, and ecosystem innovation across the Asia region, with an initial focus on China. This role will lead strategic engagement with key ecosystem partners—including CPU, GPU, and XPU platform providers—and customers, working closely with Astera Labs sales, field applications engineering (FAE), product management, engineering, and corporate marketing teams. 

This is a high-visibility role with regular interaction with executive leadership and requires a strong blend of technical depth, market insight, and leadership. The ideal candidate has deep experience in AI and cloud infrastructure, excels at cross-functional collaboration, and can translate complex technologies into compelling rack-scale solutions built on Astera Labs’ Intelligent Connectivity Platform. 

This position is based in Astera Labs’ Shanghai office and requires an in-person presence, with regular travel across the Asia region. 

Key Responsibilities  

• Define compelling product and solution positioning and messaging that differentiates our products in the market and resonates with our target partners and customers in the Asia region 

• Drive technology roadmap alignment with key CPU, GPU, and XPU ecosystem partners to ensure tight integration and long-term platform relevance 

• Collaborate with partners and internal teams to jointly create compelling rack-scale solutions built on Astera Labs’ Intelligent Connectivity Platform, increasing customer value and accelerating adoption 

• Drive competitive analysis and gather partner and customer insights to identify market trends, unmet needs, and opportunities for innovation 

• Act as the Voice of the Customer (VoC) for assigned strategic accounts, influencing product direction, platform strategy, and go-to-market execution 

• Collaborate closely with cross-functional teams including product line management, engineering, sales, field applications engineering and corporate marketing to align on product roadmap, features, and customer facing deliverables 

• Leverage, translate and customize high-impact marketing collateral including presentations, blogs, whitepapers, and case studies to support product sales and adoption in the Asia region 

• Develop engaging cross-product sales enablement collateral, perform regular training sessions with customer-facing teams and support strategic sales activities 

• Serve as a product evangelist internally and externally, representing our products at industry events, conferences, press/analyst presentations and customer engagements 
• Track and analyze key performance metrics to measure the effectiveness of product marketing initiatives and drive continuous improvement 

Qualifications  

• Bachelor’s degree in Engineering, or related field; MBA preferred 

• 7+ years of experience in product-focused, customer-facing roles within the semiconductor industry 

• Understanding of PCIe, CXL, Ethernet, and/or UALink technologies and their applications in AI and cloud infrastructure 

• Network of contacts in AI and cloud infrastructure industry in China 

• Previous experience in Business Development, Product Marketing, Product Management, Ecosystems Partnerships or similar roles  

• Strong strategic thinking and analytical skills, with the ability to translate market insights into actionable product and account strategies 

• Excellent communication and presentation skills, with the ability to articulate complex technical concepts in a clear and compelling manner 

• Proven ability to collaborate effectively with cross-functional teams and drive consensus in a fast-paced, dynamic environment 

• Results-oriented mindset with a focus on driving measurable impact and achieving business objectives 

• Experience working with customers and partners to understand their needs and drive product adoption 

• Experience with customer negotiation, influencing successful pricing strategies, and executing agreements 

• Willingness to travel up to approximately 25% for partner/customer meetings, company training, industry events, and conferences 

Astera Labs is a global leader in purpose-built connectivity solutions that unlock the full potential of cloud and AI infrastructure. Our Intelligent Connectivity Platform integrates PCIe, CXL and Ethernet semiconductor-based solutions based on a software-defined architecture that is both scalable and customizable. Inspired by trusted partnerships with hyperscalers and the data center ecosystem, we are an innovation leader with products that are flexible, interoperable, and reliable. We are headquartered in the heart of California’s Silicon Valley, with R&D centers and offices in Texas, Taiwan, China, Canada, and Israel. 

As an Astera Labs Product Applications Engineer, you will be part of a team that supports design-in of Astera Labs’ portfolio of connectivity products by the world’s leading cloud service providers and server and network OEMs. In this role, you will need to provide technical guidance to customers to overcome design challenges, generate collateral for existing and new products, and drive innovation by providing insightful feedback to other internal teams to continuously improve products and processes. You will investigate and duplicate issues reported by customers, and drive critical issues to resolution. There are opportunities to support key customers directly, and also to dive deep in the lab to address the challenges associated with leading edge semiconductor products.

Basic Qualifications

• Strong academic and technical background in electrical, electronics, or computer engineering or a closely related field. At a minimum, an engineering bachelor’s degree is required. A master’s degree is preferred.
• A minimum of 12 years’ experience working with cloud service providers or server or network OEM customers to design in complex SoC/silicon products for server, storage, and/or networking applications.
• Entrepreneurial spirit, open-minded approach, and can-do attitude. Think and act with the customer in mind!

Required Experience

• Silicon/system bring-up and debug experience in customer systems.
• Strong knowledge of embedded FW development and in-system debug
• Firmware development with C-language, scripting with Python or other equivalent programming languages.

• Strong knowledge of PCIe protocol, including LTSSM, EQ, DMA, etc.
• Strong knowledge of NRZ/PAM4 SerDes level debugging (TX/RX Equalization) in PCIe, Ethernet (25G and above), etc.
• Firsthand experience with lab equipment including traffic generators, analyzers, and high-speed oscilloscopes.

• Broad knowledge of NRZ/PAM4 SerDes-based protocols such as PCIe or Ethernet (25G and above).
• Understanding of Data Center systems such as servers, compute nodes, JBOGs/JBODs, and networking switches/routers/interconnects, etc.
• Technical writing skills and the ability to generate clear, precise documentation including datasheets, application notes, and similar guides for both internal audiences and customers.

Preferred Experience

• Broad knowledge of signal processing and ECC coding for communications
• Device driver development
• Development/support for PCIe or Ethernet switch products
• Working with silicon characterization/validation teams to ensure desired device performance is readily achievable in customer systems.
• Knowledge of simulation/modeling, schematic capture, and PCB layout tools from Cadence, Altium and others.
• Knowledge of simulation tools such as Keysight ADS, SiSoft QCD, and others, for IBIS-AMI analysis.
• A strong background in high-speed board design and techniques for preserving signal integrity.

Job Description: 

As an Astera Labs Principal Product Application Engineer, you will need to provide technical guidance to customers to overcome design challenges, generate collateral for existing and new products, and drive innovation by providing insightful feedback to other internal teams to continuously improve products and processes. Astera Labs is seeking a Principal Product Applications Engineer in Shanghai, China with experience supporting the development and designing-in of semiconductor products for PCIe/CXL. There are opportunities to support key customers directly, and also to dive deep in the lab to address the challenges associated with leading edge semiconductor products.

Basic Qualifications

· Strong academic and technical background in electrical engineering. At minimum, a Bachelor’s in EE is required, Master’s is preferred.

· Minimum of 10 years’ experience designing in complex SoC/silicon products with a high speed (preferably PCIe) interface.

· Entrepreneurial, open-minded behavior and can-do attitude. Think and act with the customer in mind!

Required Experience

· Strong working knowledge of PCIe LTSSM at a physical layer level, associated standards, and debug. Most recent experience with PCIe 5.0 at a minimum, some experience with 6.0/CXL preferred.

· Silicon/System bring-up and debug experience in customer systems.

· Technical ownership of issue resolution: Driving and directing internal teams toward issue resolution. Driving communication with customers, FAEs, and sales team members

· Firsthand experience with lab equipment such as protocol analyzers/exercisers, high-speed oscilloscopes, or BERTs.

· Comfort working with software/firmware associated with semiconductor products, such as: Firmware development with C-language, scripting with Python or other equivalent programming languages.

Preferred experience

· Triaging complex customer reported issues which require taking into account multiple layers of conditions. For instance, silicon, firmware, hardware board design, and system environment.

· Experience with common data center BMC implementation, and BIOS configuration

· Development/support for PCIe or Ethernet Switch or Retimer products.

· PCIe compliance testing methodology and troubleshooting.

· Understanding of Data Center systems like Servers, JBOGs/JBODs, Networking switches/routers/interconnects etc.

Realize your potential by joining the leading performance-driven advertising company!

As a Mobile QA Engineer on the Taboola News team in our Beijing Office, you'll play a vital role in ensuring the quality and performance of our content discovery system for global OEMs. You'll drive test plans, collaborate with stakeholders, and proactively tackle challenges to deliver seamless user experiences.

To thrive in this role, you'll need:

• Bachelor's Degree in computer science or a related field.
• 1+ years of experience in APK/API testing, including mobile APK testing with tools like Monkey and ADB, and RESTful API testing with tools like Postman and Charles.
• Device flashing experience and the ability to perform mobile device performance testing.
• Proficiency in developing test cases, executing tests, analyzing results, and submitting accurate bug reports.
• Experience with configuration development using JS/Python/SQL technologies.

Bonus points if you have:

• Proven experience working in the mobile industry with top OEMs.
• CET-6 certification.
• Android app/front end/back end development experience.

How you'll make an impact:

As a Mobile QA Engineer, you'll bring value by:

• Performing thorough testing of APKs/APIs to ensure data accuracy, response times, and overall function reliability.
• Driving test plans, designing test cases, executing tests, and reporting on bugs and errors.
• Collaborating with internal and external stakeholders to improve test assets, processes, and methodologies.
• Performing basic configuration tasks according to OEM requirements.
• Proactively learning new tools, technologies, and environments to tackle challenges.
• Ensuring the delivery of expected quality and performance levels to OEMs.

Why Taboola?
If you ask Taboolars what they love about working here, they'll tell you that they've been empowered to realize their full potential while growing and learning from and with smart and talented people. They'll also share more about:

• Adam Singolda, Taboola Founder and CEO says; "You can copy anything from another business but you can't copy a company's culture.
• Well-being: Enjoy comprehensive benefits, a fully stocked kitchen, and location-specific perks.
• Flexibility: We offer a hybrid work schedule with 3 days in-office with an option to come in more often if desired.
• Work with some of the biggest names: We work with some of the biggest names in the business. Our publisher partners include Yahoo, Conde Nast, Fox Sports, NBCU, ESPN, CBS, and E! Online. Our advertiser clients include Wells Fargo, Honda, Pinterest, Expedia and Honda.

Ready to realize your potential?
Taboola is an equal opportunity employer and we value diversity in all forms. We are committed to creating an inclusive environment for all employees and believe such an environment is critical for success. Employment is decided on the basis of qualifications, merit, and business need.

Learn more about #TaboolaLife on LinkedIn, Facebook, Instagram, X, YouTube, & the Taboola Life Blog.

About Taboola
Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale. Taboola works with thousands of businesses who advertise directly on Realize, Taboola's powerful ad platform, reaching approximately 600M daily active users across some of the best publishers in the world. Publishers like NBC News, Yahoo, and OEMs such as Samsung, Xiaomi and others use Taboola's technology to grow audience and revenue, enabling Realize to offer unique data, specialized algorithms, and unmatched scale.

#LI-Hybrid

#LI-MT1

Riot Games was established in 2006 by entrepreneurial gamers who believe that player-focused game development can result in great games. In 2009, Riot released its debut title League of Legends to critical and player acclaim. As the most played video game in the world, over 100 million play every month. Players form the foundation of our community and it’s for them that we continue to evolve and improve the League of Legends experience.

We’re looking for humble but ambitious, razor-sharp professionals who can teach us a thing or two. We promise to return the favor. Like us, you take play seriously; you’re passionate about games. We embrace those who see things differently, aren’t afraid to experiment, and who have a healthy disregard for constraints.

That's where you come in.

At Riot, we believe Quality is a set of values, practices, and behaviors that inform every part of the development process. By honing our craft of quality and demonstrating cross-discipline partnerships, we help Riot sustainably craft excellent experiences for players, globally.

QA Engineers are champions for quality, focused on testing to ensure best in practice. We create test plans and evaluate both the functional and subjective caliber of projects for a Riot development team. As every project is different, we listen and improve, to put players and their team first, and to solve ambiguous and complex problems. Most importantly, it’s our passion for quality that ensures QA Engineers help us improve processes and deliver better player experiences.

As a QA Engineer (Contractor) on the Wild Rift team, you will lead the automated testing ecosystem and playtest pipeline to ensure high-quality player experiences. You will drive the technical direction of automation frameworks, support live operations testing, and coordinate playtests from planning through feedback collection. Working closely with product owners, developers, and QA partners across Riot, you will improve testing workflows, strengthen build validation systems, and elevate product quality through scalable automation solutions. 

Responsibilities:

• Game Live Ops testing and support
• Tech and AG Support (e.g.SDKupdates, HS testing for new patch promotions)
• Drive the Automation Testing (template events, configurations,etc) implementation along with the events QA team
• Integrate automated test suites into the build pipeline (Jenkins, GitHub Actions) to provide rapid feedback to the dev team.
• Work closely with the LQA team and stabilize the test environment.
• Support for extra events and related compliance
• Partner with product teams to align PlayTest plans from test goal readiness to results collection, collect and give feedback to developers.

Required Qualifications:

• 5+ years in software or game QA, with multiple product launches in live environments
• Experience with automated testing and tooling
• Familiar with events testing in games and sensitive to the configuration changes
• Deeply involved in the automation of game packaging, incremental resource updates and build generation
• Deep understanding of game block scenes and know how to assess them in scripts
• Strong communication and stakeholder alignment skills
• Experience in mobile automated build pipelines is highly preferred
• Fluent in Mandarin and English

Desired Qualifications:

• Familiarity with agile development and testing methodologies
• QA experience working across multiple platforms (mobile, console, PC)
• Preferred Licenes/certifications
  • ISTQB Foundation Level
  • ISTQB Agile Tester or ICAgile Agile Testing (ICP-TST)

Employment Type: employment contract with FESCO Adecco, a professional personnel company in China

We are hiring Data Site Reliability Engineers (Data SREs) to join our Global Data Engineering organization. This is an operations-focused role, responsible for ensuring the reliability, correctness, and availability of Optiver’s most critical data pipelines and platforms, many of which directly support trading and research workflows. You will be part of a globally distributed team, operating and monitoring data systems across regions.

In practice, this role combines deep technical ownership with operational responsibility. Data SREs work closely with data engineers, platform teams, and trading-facing stakeholders to ensure production data systems meet strict reliability, freshness, and correctness expectations. Beyond keeping systems running, they help evolve how we operate data platforms at scale by improving automation, observability, and operational standards across the firm. The systems supported by Data SREs include large-scale batch and streaming data pipelines, data quality and freshness monitoring, and globally operated platforms supported by follow-the-sun operational models. These systems are often on the critical path for trading and research, where data delays or inaccuracies can have immediate business impact.

What you'll do:

• Configure, launch, and maintain robust data pipelines (ETL/ELT) for ingesting and transforming datasets critical to research and trading
• Own the end-to-end reliability of critical production data pipelines, from ingestion through downstream consumption
• Ensure data quality and consistency through validation, monitoring, and robust engineering practices
• Act as the first point of contact for data incidents, investigating failures, data quality issues, and pipeline regressions, and driving them through to resolution
• Participate in incident response, root cause analysis, and post-incident reviews, with a focus on preventing recurrence
• Manage daily releases, backfills, and ad-hoc data runs, with a strong focus on safety, traceability, and environment segregation
• Design and improve monitoring, alerting, data quality checks, and operational runbooks, ensuring issues are detected early and alerts are actionable
• Build automation and tooling to reduce manual operational work and enable the platform to scale safely
• Partner closely with data engineering, platform, and trading-facing teams to ensure data systems are reliable, well-understood, and fit for purpose

Who you are:

• Experience operating or supporting production data systems, such as data pipelines, ingestion frameworks, or analytical platforms
• Strong proficiency in Python, with experience using libraries like Pandas, Arrow, and Spark
• Solid understanding of data modeling, normalization, and API development in support of large-scale analytical or trading systems
• Experience working with lakehouse architectures (e.g., Delta Lake, Databricks, AWS) to manage large-scale, high-quality analytical datasets is preferred
• An operations mindset with a strong sense of ownership, reliability, and continuous improvement
• Ability to operate with a high degree of autonomy, making sound engineering and operational decisions for production systems
• Strong communication skills and the ability to work effectively across teams and time zones
• Experience with external data ingestion is a plus
• Exposure to PCAP-based data workflows or market data capture pipelines is a plus
• Willingness to contribute to setting best practices and mentoring engineers on operational excellence and production reliability

What you'll get:

You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle some of the most complex problems in the financial markets.

In return for your expertise, you will have access to a range of Optiver perks, including:

• A performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool, fostering a truly collaborative environment
• The chance to work alongside diverse and intelligent peers in a rewarding environment
• Training, mentorship and personal development opportunities
• Daily breakfast, lunch and snacks
• Gym membership, sports and leisure activities, plus weekly in-house chair massages
• Regular social events, clubs and Friday afternoon drinks

Diversity statement

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

Privacy disclaimer

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

Diversity statement

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

Questions? Get in touch with the recruitment team at careers@optiver.com.au.

Privacy disclaimer

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with over 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.

Since its establishment in 2012, our Shanghai office is a rapidly growing participant in the Chinese markets, trading exchange-listed futures, options and equities in China mainland. Our vision is to become the trusted partner in the development of Chinese financial markets. With the culture of a start-up but the backing of a close-to-40 year-old trading firm, the Optiver Shanghai office is truly unique. Everyone who joins us will help shape the future of our company and its global impact. Get ready: we are only just beginning.

About the AI Lab at Optiver

Optiver has built its reputation as a global leader in trading through rigorous research, rapid innovation, and uncompromising performance. Now, we’re launching a new frontier: AI Lab Shanghai.

This newly established team will operate independently from our core trading operations, serving as a long-term innovation engine to explore, develop, and apply the most advanced AI and machine learning technologies to complex problems. From foundational model development to novel AI systems, the AI Lab will be at the forefront of pushing boundaries.

Key Responsibilities

• Building the compute platform and machine learning libraries for large scale machine learning and simulation workloads
• Focus on compute platform stability and efficiency on both CPU and GPU clusters, making the platform observable and scalable
• Utilize cluster monitoring and profiling tools to identify bottlenecks and optimize both infrastructure and software system

Challenges You Will Tackle: design, build and improve our compute platform for PB scale data model training and simulations with a wide range of machine learning models by leveraging our existing research infrastructure.

Requirements:

• Solid experience in running production machine learning infrastructure at a large scale
• Experience in designing, deploying, profiling and troubleshooting in Linux-based computing environments
• Proficiency in containerization, parallel computing and distributed training algorithms
• Experience with storage solutions for large scale, cluster-based data intensive workloads

Bonus qualification:

• Experience of supporting machine learning researchers or data scientists for production workloads

Why Join Us?

• Build a new frontier of AI innovation at one of the world’s top trading firms.
• Operate in a high-trust, low-bureaucracy environment with exceptional resources.
• Access to cutting-edge infrastructure, compute, and proprietary datasets.
• Competitive compensation and long-term incentives.

Diversity statement

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

Questions? Get in touch with the recruitment team at careers@optiver.com.au.

Privacy disclaimer

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

Key Responsibilities

• Building the compute platform and machine learning libraries for large scale machine learning and simulation workloads
• Focus on compute platform stability and efficiency on both CPU and GPU clusters, making the platform observable and scalable
• Utilize cluster monitoring and profiling tools to identify bottlenecks and optimize both infrastructure and software system
• Troubleshoot and resolve issues related to OS, storage, network, and GPUs

Challenges You Will Tackle: design, build and improve our compute platform for PB scale data model training and simulations with a wide range of machine learning models by leveraging our existing research infrastructure.

Requirements:

• Solid experience in running production machine learning infrastructure at a large scale
• Experience in designing, deploying, profiling and troubleshooting in Linux-based computing environments
• Proficiency in containerization, parallel computing and distributed training algorithms
• Experience with storage solutions for large scale, cluster-based data intensive workloads

Bonus qualification:

• Experience of supporting machine learning researchers or data scientists for production workloads

WHAT YOU CAN EXPECT FROM US:

In return for you joining our elite team, you will be offered a competitive salary package as well as access to a plethora of Optiver-perks. To hear more about what it is like to work here and our great culture, apply now and take the first step towards the best career move you will ever make!

DIVERSITY AND INCLUSION

Optiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.

PRIVACY DISCLAIMER

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

WHAT YOU’LL DO

We are now looking for a Software Engineer to join the China Options team. You will be responsible for setting architectural direction for parts of our system, delivering large bodies of well-engineered code and owning projects that directly impact Optiver’s cutting-edge trading systems. You will collaborate with fellow Engineers, Traders and Researchers to develop a deep understanding of trading, exchanges and what the 'machine' is doing. You're not attached to tools and technologies, you focus on solving problems. Your challenge is to further innovate and maintain the foundation underlying our wider infrastructure.Some of the things you could be involved in are:

• Own the design, development and deployment of services that comprise our globally distributed trading platform
• Build partnerships across the business to ensure we're feeding the best ideas into our solutions
• Build automated trading stack that runs machine learning models over high-performance servers to execute high-quality trades in low-latency
• Continuously improve our trading systems and strategies to optimize for the ever-evolving markets

The difference with technology at Optiver is how fast the pace is, and the direct impact it has on trading. Where traditional software development teams can take months or years to build systems from business requirements, our developers work closely with traders to ensure a short development life cycle and quick feedback on the impact of your work.

WHO YOU ARE

• You have at least 3 years’ work experience as a Software Engineer
• Curious about how trading works and motivated to understand the business impact behind the technology you build
• Experience with large scale server side development, and high-throughput, low-latency system optimisations
• Technologists who are passionate about software and not only like to learn about it at work, but also like to get involved in their own projects at home
• Natural problem solvers who love nothing more than tackling a complex technical challenge
• Team players who love working with like-minded peers and are always looking to learn and improve
• Experience with making architectural recommendations on IT solutions, design & approach

DIVERSITY AND INCLUSION

Optiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.

PRIVACY DISCLAIMER

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

WHAT YOU’LL DO

As a Software Engineer, you will be responsible for setting architectural direction for parts of our system, delivering large bodies of well-engineered code and owning projects that directly impact Optiver’s cutting-edge trading systems. You will collaborate with fellow Engineers, Traders and Researchers to develop a deep understanding of trading, exchanges and what the 'machine' is doing. You're not attached to tools and technologies, you focus on solving problems. Your challenge is to further innovate and maintain the foundation underlying our wider infrastructure.

Some of the things you could be involved in are:

• Own the design, development and deployment of services that comprise our globally distributed trading platform
• Build partnerships across the business to ensure we're feeding the best ideas into our solutions
• Build automated trading stack that runs machine learning models over high-performance servers to execute high-quality trades in low-latency
• Continuously improve our trading systems and strategies to optimize for the ever-evolving markets

The difference with technology at Optiver is how fast the pace is, and the direct impact it has on trading. Where traditional software development teams can take months or years to build systems from business requirements, our developers work closely with traders to ensure a short development life cycle and quick feedback on the impact of your work.

WHO YOU ARE

• You have at least 5 years’ work experience as a Software Engineer
• Experience with large scale server side development, and high-throughput, low-latency system optimisations
• Technologists who are passionate about software and not only like to learn about it at work, but also like to get involved in their own projects at home
• Natural problem solvers who love nothing more than tackling a complex technical challenge
• Team players who love working with like-minded peers and are always looking to learn and improve
• Experience with making architectural recommendations on IT solutions, design & approach

WHAT YOU’LL GET

At Optiver, we have a very flat structure. We work extremely closely with our stakeholders, often working as a single team to solve Optiver’s problems. Individually, you are very highly empowered to deliver significant changes, with the support of your team and your leaders. Above all we value the passion of our technical team and foster a collaborative and innovative working environment which nurtures brilliant minds.

In return for your expertise, you will be offered a competitive salary package as well as access to a plethora of Optiver-perks. 

DIVERSITY AND INCLUSION

Optiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.

PRIVACY DISCLAIMER

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

WHAT YOU’LL DO

As a Software Engineer, you will be responsible for setting architectural direction for parts of our system, delivering large bodies of well-engineered code and owning projects that directly impact Optiver’s cutting-edge trading systems. You will collaborate with fellow Engineers, Traders and Researchers across global offices to develop a deep understanding of trading, exchanges and what the 'machine' is doing. You'll work with cutting-edge AI development tools and have the autonomy to shape how AI agents are integrated into our engineering workflows. Your challenge is to further innovate and maintain the foundation underlying our wider infrastructure.

Some of the things you could be involved in are:

• Own the design, development and deployment of services that comprise our globally distributed trading platform
• Build partnerships across the business to ensure we're feeding the best ideas into our solutions
• Build automated trading stack that runs machine learning models over high-performance servers to execute high-quality trades in low-latency
• Leverage AI agents to automate and accelerate engineering and research workflows, from code generation to  experiment evaluation and continuous integration
• Continuously improve our trading systems and strategies to optimize for the ever-evolving markets

The difference with technology at Optiver is how fast the pace is, and the direct impact it has on trading. Where traditional software development teams can take months or years to build systems from business requirements, our developers work closely with traders to ensure a short development life cycle and quick feedback on the impact of your work.

WHO YOU ARE

• You have at least 3 years’ work experience as a Software Engineer
• Experience with large scale server side development, and high-throughput, low-latency system optimisations
• Technologists passionate about adopting new tools and technologies — you actively explore emerging tech (AI agents, LLMs, novel dev tooling) and are excited to apply them to real-world engineering problems
• Natural problem solvers who thrive on complex technical challenges — whether it's shaving microseconds off latency, debugging a production crash under pressure, or architecting a system that scales globally
• Team players who love working with like-minded peers and are always looking to learn and improve
• Experience with making architectural recommendations on IT solutions, design & approach

 
WHAT YOU’LL GET
At Optiver, we have a very flat structure. We work extremely closely with our stakeholders, often working as a single team to solve Optiver’s problems. Individually, you are very highly empowered to deliver significant changes, with the support of your team and your leaders. Above all we value the passion of our technical team and foster a collaborative and innovative working environment which nurtures brilliant minds.
In return for your expertise, you will be offered a competitive salary package as well as access to a plethora of Optiver-perks.

DIVERSITY AND INCLUSION

Optiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.

PRIVACY DISCLAIMER

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

Overview

As an RF De-Sense Engineer specializing in wireless consumer devices like smartphones and wearables, you will tackle the intricate challenges of electromagnetic interference to deliver high-performance wireless solutions. Your expertise will drive the integration of more features and sensors into compact form factors, optimizing technologies such as WiFi and Bluetooth.

Responsibilities

• Develop end-to-end RF desense systems, covering architecture, design, validation, troubleshooting, and production to ensure optimal wireless performance.
• Analyze product operations' impact on wireless performance, identifying potential noise sources and desense risks.
• Review and evaluate product designs at various stages, including schematic, board layout, and mechanical structure.
• Collaborate with cross-disciplinary teams—including wireless, mechanical, electrical, and software engineers—on research, prototyping, and implementation.
• Utilize RF desense concepts like shielding, grounding, filtering, and isolation to inform design and debugging, leveraging both measurement and simulation data.
• Design and develop desense test methods and setups, executing comprehensive validation exercises.
• Propose corrective actions to address identified desense issues and effectively communicate validation results through organized reports.

Minimum Qualifications

• Bachelor’s degree in Electrical Engineering, Electronics Engineering, Computer Engineering, or Computer Science.
• 3+ years of relevant experience in RF design and wireless technologies.
• Strong understanding of analog, digital, and mixed-signal circuit analysis.
• Proficiency in RF schematic and PCB layout best practices.
• Hands-on experience with general-purpose RF test equipment, including Spectrum Analyzer, Network Analyzer, and Oscilloscope.
• Knowledge of electromagnetic simulations and familiarity with tools such as Ansys HFSS and CST Microwave Studio.

Preferred Qualifications

• Master’s degree in Electrical Engineering with a focus on RF hardware or Electromagnetics.
• 2+ years of experience in desense development for consumer products or RF hardware/antenna design in wireless electronics.
• Proficiency in electromagnetic simulation tools like Ansys HFSS or CST Microwave Studio.
• Familiarity with additional wireless technologies such as WiFi, Bluetooth, Cellular, GPS and expertise in using test call boxes for cellular testing.
• Experience with advanced noise mitigation techniques, including shielding, grounding, filtering, and isolation.

About the role

We are looking for a Senior Reliability Lab Operation Engineer who will be responsible for the full lifecycle management of laboratory equipment, complex problem analysis, and technical improvement, and participation in the development of reliability test equipment and test fixtures. The engineer will ensure the laboratory operates efficiently, stably, and with low risk through institutionalized and engineering means, providing reliable experimental platform support for the R&D, verification, and mass production of POS terminal products.

This position requires a deep understanding of mechatronic consumer systems, strong development skills, and proven ability to lead and collaborate in cross-functional team environments and in supplier management. In this role, you will manage contract workers (CWs) to meet the needs of laboratory operational excellence.

What you will do

1. Laboratory Operation and Equipment Full Lifecycle Management

• Fully responsible for the planning, operation, and continuous optimization of reliability lab equipment;
• Core equipment under management includes, but is not limited to:
• Environmental reliability equipment: High/low temperature, temperature and humidity, thermal shock, temperature/humidity cycling equipment, etc.;
• Electronic testing and measurement equipment: Data acquisition systems, programmable power supplies, electronic loads, multimeters, sensors, and data loggers;
• Develop and implement equipment full lifecycle management strategies.

2. Maintenance, Repair, and Calibration System Development

• Lead and execution of the annual maintenance, repairing, and calibration plans for laboratory equipment;
• Deeply participate in the analysis of complex equipment failures and technical decision-making, leading internal and external technical reviews when necessary;
• Standardize the instrument calibration management process to ensure the accuracy and consistency of test data;
• Establish and continuously optimize management systems and technical documents for equipment maintenance, repair, and calibration.

3. Reliability Test Equipment and Fixture Development

• Participate in or lead the customized development or modification of reliability test equipment to meet POS product testing needs;
• Collaborate on the design and development of reliability test tooling and fixtures (structural or electrical);
• Promote standardization, modularization, and reusability design for test equipment and fixtures.

4. Risk Control and Technical Improvement

• Identify technical risks in laboratory equipment operation and reliability testing processes;
• Formulate and implement preventive maintenance and risk control programs to enhance overall equipment reliability;
• Analyze the impact of equipment issues on test results and product reliability, and propose systemic improvement suggestions.

5. Supplier and Cross-Departmental Collaboration

• Act as the technical interface, liaising with equipment manufacturers and third-party maintenance/calibration service providers;
• Evaluate supplier technical capabilities and service quality, and drive continuous improvement;
• Closely cooperate with R&D, Quality, and Manufacturing departments to ensure the smooth execution of reliability testing plans.

6. Systems, Audits, and Technical Support

• Participate as a core engineer in internal systems and customer audits (such as requirements related to ISO 9001, ISO/IEC 17025);
• Provide technical evaluation and equipment feasibility analysis for new laboratory projects and test methods;
• Provide technical guidance and experience sharing for managing junior engineers or technicians.

Who you are

We’re looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement.

Minimum requirements:

1. Education and Experience

• Bachelor's degree or above, in a Mechatronics-related major (Mechanical Engineering, Electrical Engineering, Automation, Mechatronics, etc.);
• 5+ years of experience in lab equipment management or reliability lab engineering (3+ years can also be considered for a senior reserve position);

2. Technical Skills

• Familiar with the structure, principles, and maintenance strategies of environmental reliability test equipment;
• Experience in the development or modification of reliability test equipment;
• Experience in test fixture design, development, or optimization;
• Familiar with ME software (such as AutoCAD), capable of reading and drawing engineering fixtures;

3. Comprehensive Abilities

• Possess systematic thinking and engineering problem-solving abilities;
• Good communication, coordination, and project promotion skills;
• High sense of responsibility and risk awareness, capable of making technical judgments at critical junctures.
• Requires 20% business travel (mainly within Mainland China)
• Requires proficient English reading and writing skills.

Preferred qualifications:

• Relevant industry experience with POS terminals, electronic payment devices, or consumer electronics;
• Familiar with electronic manufacturing reliability testing requirements, such as high/low temperature cycling, damp heat aging, etc.;
• Experience participating in customer audits or third-party laboratory audits is a plus.
• Experience in establishing a reliability lab or FA lab.

Impact In This Role

Your role as a Manufacturing Engineer will be to support and drive improvement to our critical manufacturing functions. We have two sets of customers—our builders, who order parts through us, and our manufacturing partners, who manufacture and assemble these parts—and you’ll be consistently working at the interface between the two.  At Fictiv, we believe in creating the world’s premier platform for hardware manufacturing, and you’ll be playing a critical role in making that happen.

In your role as the Manufacturing Engineer, you will be reviewing and analyzing the manufacturability and costs associated with part fabrication (including die casting, Gravity casting,Forging and other manufacturing processes requiring tooling) and mechanical assembly. In this role, you’ll be using your Mechanical Engineering background, knowledge of manufacturing processes, and experience having brought mechanical components into high volume manufacturing to determine what design changes may need to be made to our builders’ design specifications in order to meet their needs and to very accurately price out the cost of fabricating a part. Ultimately, you’ll be working daily to use your technical expertise to provide pricing to builders and to assist in the development of pricing calculators and, ultimately, automation of pricing & DFM to reduce the time to quote for our builders and reduce overhead for our manufacturing partners.

You will report to the Manufacturing Engineering Lead/Manager

What You’ll Be Doing

• Release Package Review – Analyze models, drawings, parts lists, and other data to determine scope of work, fabrication feasibility, cost to fabricate, and minimum lead time.
• Quoting – Combine your analysis with Fictiv’s software recommendations and feedback from our manufacturing partners to generate quotes for builders.
• DFM Feedback – Provides DFM feedback to builders, such as recommended design change to adapt the tooling manufacturing limitation. 
• Platform development support – support the platform development of casting tooling, such as tooling calculator, material database, DFM tools on platform.
• Communication-communicate with US sales to support the part/tooling design solution and quote feedback if needed.
• Program support
  -Lead the transition of customer programs from prototype and low-volume production (3D printing, CNC machining, soft tooling) to high-volume casting tooling, including part-level redesign, material and process selection, tolerance optimization, and tooling architecture definition to support scalable mass production.

Desired Traits

• Associate degree（Should）
• -At least 10 Years casting manufacturing working experience,(Must)

• -At least 6 years of Casting(gravity and die casting) experience.(Must)
• -Able to use NX/UG software, and able to analyze casting parts and modify the 3D file.(Must)
• -Able to use Magma or other similar software to do the analysis of metal mold flow.
•  (Better to have)
  -Able to read regular 2D drawings and understand GD&T,(Should)
  -Able to read English, write English,(Should)
  -Able to speak English.(Should) 

• Personality, earnestly and responsible, Team spirit, Integrity and Honesty.(Must)
• Self-starter, manages time efficiently, able to complete work in a timely manner without active supervision (Should)

• Enjoys sharing knowledge and teaching others about manufacturing (Should）

Perks and Benefits

• Housing fund, and social insurance, commercial insurance for employee and your child
• Annual leave, paid sick leave
• Team celebrations
• Annual training opportunities including English learning, technical skills certifications,
• Yearly health check-up
• And much, much more!

Interested in learning more?  We look forward to hearing from you soon.

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about educating our users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems. You’ll have limitless learning opportunities and daily collaborations with world-class minds — while doing work that’s both meaningful and fun.

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world. 

Read our blog to learn more.

About the role...

We’re looking for a Software Engineer I to join our China team. In this role, you’ll build and ship features that drive user growth and deliver high-quality learning experiences to millions of learners in China. You’ll work closely with product managers, designers to create engaging, localized experiences tailored to this market.

This is an opportunity to contribute to a fast-moving, high-impact team focused on one of Duolingo’s most important growth regions. You’ll gain experience working across the stack (backend and client), running experiments, and collaborating cross-functionally to improve key metrics like daily active users (DAU).

🧠  You will...

• Collaborate with product managers and designers to drive user growth in China.
• Work with Government Relations (GR) and cross-functional partners to ensure product compliance in China
• Lead individual project priorities, deadlines, and deliverables
• Contribute to code reviews and collaborate across teams to ensure quality and scalability

✅  You have...

• Graduated or will graduate with a B.S. or M.S. degree in Computer Science or related technical field (i.e. math, physics, or data science) before summer 2026
• 0–1 years of experience programming in one or more of: Java, Python, Kotlin, or Swift
• Dedication to our mission of universally available education
• Relocation to Beijing, China. This position is based in Beijing.

⭐  Exceptional candidates will have...

• A GPA of 3.6+
• A Duolingo streak
• Proficient in both spoken and written English.

Senior Staff/Staff Machine Learning Engineer-LLM

Company Introduction

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the sped we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Summary:

At Coupang, we invest in providing the best product experience for our customers. The AI and Knowledge Engineering team’s mission is to provide the best possible technical solution to achieve the optimal experience for our customers. We innovate and advance the space of Knowledge Graphs, agents, LLMs, AI, ML, NLP, and multi-modal models. We are looking for engineers who want to work on cutting edge technology, that is the intersection of Semantic knowledge bases, agents, NLP, LLM, ML and software engineering. Come join us to help create a world class team advancing the AI/NLP/ML/LLM/RL/Knowledge Graph technologies.

The Role/Responsibilities:

• Work on GenAI, self-learning systems to solve complex eCommerce scenarios.
• Develop statistical models for predictive and compound AI Models
• Train foundational models that can help with building learning systems.
• Define process and experiments for an E2E foundation model.
• Build E2E AI pipelines for storing/servicing foundational models.
• Mentor and guide team members on frameworks, methodologies related to data lakes, data normalization, dimension reduction, visualization, statistical models.
• Ensure Model training is security, compliance aware.
• Collaborate with cross-team members to understand the requirements ensuring the foundational models, knowledge captured aligns with the company’s overall AI strategy.

What you will bring/ Requirements:

• Overall 10+ years of working in software engineering and AI/ML Engineering.
• 4+ years of demonstrated data science, experience in building large scale foundational models for eCommerce scenarios.
• Expertise in large language model fine-tuning and deployment.
• Deep understanding of AI/ML/Deep-learning and statistical model architecture.
• Strong statistical/mathematical background in defining metrics, learning functions and result analysis.
• Significant experience in SQL, Python, PySpark, Scala and R
• Proficiency in PyTorch/TensorFlow, Spark, BigQuery
• Experience in creating complex data visualization tools, frameworks and techniques.
• Experience in dimension reduction in big data.
• Proficient in cloud analytical stacks [ Lakes, warehouse, ETL pipelines]
• Experience with inference platforms in AWS, Azure and other open-source platforms.
• Are result-oriented, with a bias towards customer obsession, flexibility, and impact.
• Strong written and verbal communication and teamwork skills
• Passion for Large language models, NLP, and Machine Learning at scale

Education: B.S, M.S in Computer science or Mathematics, or related field

Recruitment Process

Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer

The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.

Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Details to Consider

This job posting may be closed prior to the stated end date for application if all openings are filled.

Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.

Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice​

Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://taou.cn/zlO8

[Applied in Coupang.Jobs] Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team

Senior Staff/Staff Machine Learning Engineer-LLM

Company Introduction

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the sped we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Summary:

At Coupang, we invest in providing the best product experience for our customers. The AI and Knowledge Engineering team’s mission is to provide the best possible technical solution to achieve the optimal experience for our customers. We innovate and advance the space of Knowledge Graphs, agents, LLMs, AI, ML, NLP, and multi-modal models. We are looking for engineers who want to work on cutting edge technology, that is the intersection of Semantic knowledge bases, agents, NLP, LLM, ML and software engineering. Come join us to help create a world class team advancing the AI/NLP/ML/LLM/RL/Knowledge Graph technologies.

The Role/Responsibilities:

• Work on GenAI, self-learning systems to solve complex eCommerce scenarios.
• Develop statistical models for predictive and compound AI Models
• Train foundational models that can help with building learning systems.
• Define process and experiments for an E2E foundation model.
• Build E2E AI pipelines for storing/servicing foundational models.
• Mentor and guide team members on frameworks, methodologies related to data lakes, data normalization, dimension reduction, visualization, statistical models.
• Ensure Model training is security, compliance aware.
• Collaborate with cross-team members to understand the requirements ensuring the foundational models, knowledge captured aligns with the company’s overall AI strategy.

What you will bring/ Requirements:

• Overall 10+ years of working in software engineering and AI/ML Engineering.
• 4+ years of demonstrated data science, experience in building large scale foundational models for eCommerce scenarios.
• Expertise in large language model fine-tuning and deployment.
• Deep understanding of AI/ML/Deep-learning and statistical model architecture.
• Strong statistical/mathematical background in defining metrics, learning functions and result analysis.
• Significant experience in SQL, Python, PySpark, Scala and R
• Proficiency in PyTorch/TensorFlow, Spark, BigQuery
• Experience in creating complex data visualization tools, frameworks and techniques.
• Experience in dimension reduction in big data.
• Proficient in cloud analytical stacks [ Lakes, warehouse, ETL pipelines]
• Experience with inference platforms in AWS, Azure and other open-source platforms.
• Are result-oriented, with a bias towards customer obsession, flexibility, and impact.
• Strong written and verbal communication and teamwork skills
• Passion for Large language models, NLP, and Machine Learning at scale

Education: B.S, M.S in Computer science or Mathematics, or related field

Recruitment Process

Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer

The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.

Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Details to Consider

This job posting may be closed prior to the stated end date for application if all openings are filled.

Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.

Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice​

Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://taou.cn/zlO8

[Applied in Coupang.Jobs] Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. 

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.  

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. 

As a part of Ecommerce Engineering team, we exist for wow customer experiences, world class service excellence and hyper growing revenue. To achieve this, we build scalable & extensible architecture to support fast business growth & expansion, we create high performance & resilient backend system to handle increasing customer requests and we setup stable & fault-tolerant mechanisms to guarantee the customer experience. Creating disruptive products & resilient platforms for customers with world-class talents and cutting-edge technology is our vision and our commitment to the company.

Key Responsibilities: 

• Hands on engineering leader with deep understanding of open source statck and distributed systems
• Design layered application, drive the highest quality of architecture and design of purchase/logistic systems
• Align with PO and business to understand the problem and come out solution, and align with stakeholders and lead engineers on mission critical projects to resolve complex business problem
• Draw a roadmaps and vison for the scalable and robust growth of the merchant platform to support business growth
• Collaborate with other Coupang tech teams to make the service extensible to unlock opportunities for innovations

Basic Qualifications: 

• Excellent communication skills, good read/write skills in English

• Good deep dive skills and someone who is bar raiser for engineering excellence
• At least 5+ years working experience on software design & development

• Good experience on distributed system and rich experience developing large scale enterprise
• Able to work in a dynamic and fast paced environment with frequent and on-time
• Bachelor’s degree in Computer Science, Engineering or related field

Hiring may be restricted  in case the legal qualifications required for hiring and work performance are not met.

Privacy Notice 

Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. 

https://rocketyourcareer.cn.coupang.com/privacy-policy

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Coupang Introduction 

Responsibilities  

• Responsible for iOS app architect, design, development, code review, testing and releasing.
• Leading the iOS app design review and code review, ensure the code quality.
• Cross team collaboration, working closely with business team, product team and UI/UX team, ensure delivering new features with high quality in schedule.  
• Ensure the app availability and stability, provide the best customer experience to client.
• Keen to new technology, continously assessing and applying new technology, improving team's productivity and techonology leading.

Qualifications  

• Bachelor's degree and 7+ years of hands-on Android development experience 

• Rich Objective-C/Swift experience. Rich app performance tuning experience.  

• Rich iOS app releasing experience(Apple Store);
• Understand deeply about iOS platform, familiar with Objective-C, Swift, iOS SDK, Xcode, Cocoa Touch, UIKit…
• Rich RESTful JSON API integration experience;
• Good understanding of design pattern, such as MVP/MVC/MVVM, Observers, Delegation;
• Experience working in fast-paced environments and building products from 0 to 1 

Preferred Qualifications  

• Flutter or React Native Experience
• Code refactoring experience
• Background in the eCommerce, payment domain
• Strong communication skills and proficiency in English

Scopely is looking for a Senior/Staff Server Engineer to join an unannounced title based in our Shanghai office (5 days in the office).

At Scopely, we care deeply about what we do and want to inspire play, every day - whether in our work environments alongside our talented colleagues, or through our deep connections with our communities of players. We are a global team of game lovers who are developing, publishing and innovating the mobile games industry, connecting millions of people around the world daily. 

We are in the early stages of development on an ambitious mobile game in China, and we’re assembling a team of passionate game makers to craft unforgettable characters and immersive adventures that players will love.

What You Will Do 

We are looking for a Server Engineer to build the next generation of our games. You will work with a team of passionate engineers while developing core systems and features that power large-scale, real-time experiences for our game. You’ll work on complex technical challenges involving real-time interaction, large-scale systems, and a persistent shared world used by tens of millions of players.

What We’re Looking For 

• Experience in building, and maintaining scalable, production-grade distributed systems. Deep understanding of networked and distributed systems, cloud security best practices, and performance optimization. Familiarity with network protocols for real-time communication, such as gRPC and WebSocket.
• Programming Languages: Proficiency in one or more of Java, Go, C#, Python
• Familiar with Git, Bash and Gradle
• Professional proficiency in both Mandarin and English
• BS / MS in Computer Science or Software Engineering or equivalent

Bonus Points 

• You have experience shipping at least one online game or app
• Experience in managing IaaS environments and deploying on cloud platforms such as Alibaba Cloud (Alicloud), AWS, Azure, or GCP. Proficiency with Kubernetes cluster management, infrastructure as code tools like Terraform
• Experience using data processing frameworks and data warehouse
• Experience using AI tools to speed up the development lifecycle and improve efficiency
• Experience leading a team: task breakdown& scoping, code reviews, mentoring junior devs, prototyping, etc. 
• Excellent verbal English communication

At Scopely, we create games for everyone - and want to ensure that the people behind our games reflect that! We are committed to creating a diverse, supportive work environment where everyone is treated with respect. We are committed to providing equal employment opportunities and welcome individuals from all backgrounds to join us & embrace the adventure!

Role summary 

Location: Guang Zhou 

On-site  | Full-time 

As a full stack development engineer with more that 5 years of experience. You will serve as a core technical member of the development team, participating in the design, development, deployment, and full lifecycle maintenance of the company's cross-border payment system. You need to have a high pursuit of code quality, system stability, and security to ensure that you can provide secure, stable, and efficient services to users worldwide. 

What you’ll do 

• System design and development: Participate in the core architecture design and technical solution development of cross-border payment platforms, responsible for the development and iteration of core modules such as transactions, clearing and settlement, risk control, and account systems, and write high-quality and maintainable code. 

• Performance optimization and stability assurance: Monitor and optimize system performance, handle online failures, and ensure high availability of the system in high concurrency, multi time zone environments (target 7x24 hour stable operation). Build a full chain stress testing, monitoring, and log analysis system to quickly locate and resolve performance bottlenecks and anomalies. 

• Security and Compliance: Build a payment system that complies with international security standards and Chinese regulatory requirement, design and implement a fund security protection system, including transaction monitoring, API communication encryption, anti-attack strategies, etc., to ensure the security of user data and funds. 

• Deployment and Operations Collaboration: Proficient in using containerization technologies such as Docker and Kubernetes, collaborating with operations teams to achieve automated deployment, publishing, and governance of services.  

• Teamwork and documentation: Work closely with product, front-end, testing, and operation teams to complete requirement reviews and implement technical solutions. Write clear technical design documents, API documents, and system architecture documents. 

Who you are 

• 5+ years working experience in a high-tech or fin-tech company or has experience in core modules of cross-border payments or third-part payments. 

• Java Core: Proficient in Java language and JVM principles, with a deep understanding of multithreading, concurrent programming, collection frameworks, and performance tuning. 

• Mainstream frameworks: Proficient in Spring Boot, Spring Cloud and other mainstream open source frameworks, and understand their core principles. 

• Database and Middleware: Proficient in MySQL and SQL optimization, familiar with at least one NoSQL database (such as Redis) and its application scenarios. Proficient in using commonly used message middleware such as RocketMQ/Kafka. 

• Solid understanding of HTML5, CSS3, and JavaScript (ES6+). Familiarity with TypeScript is a plus. 

• Hands-on experience with React and modern state management. Familiarity with Next.js and Ant Design is preferred. 

• Basic knowledge of modern frontend build workflows (e libraries, bundlers) and version control (Git). 

• Distributed technology: Familiar with the concept of distributed systems, microservice architecture design and governance, familiar with common solutions such as distributed transactions, caching, locks, etc. 

• Excellent logical thinking, problem analysis and positioning skills, and technical problem-solving abilities. 

• Good teamwork spirit and cross-cultural communication skills, able to adapt to multi time zone collaboration. 

• Strong sense of responsibility and risk awareness, highly sensitive to financial security vulnerabilities. 

As a plus 

• Daily user of AI coding tools such as Cursor, GitHub Copilot, Claude Code etc; able to configure and govern usage effectively. 

• Proven ability to translate product requirements into high‑quality prompts and validate AI‑generated code with tests and static analysis. 

• Understands limitations, privacy, licensing, and security considerations for AI‑assisted code; adheres to org policy and data‑handling rules. 

• Experience building lightweight internal “AI agents” or scripts to automate repetitive engineering tasks (e.g., refactors, doc updates, test generation). 

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful. 

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

About the role...

We’re looking for founding members of the newly formed Asia Growth team. Your role will be to improve the Android user experience by leveraging your extensive experience to enhance the performance and efficiency of our Android app. This position offers an exciting opportunity to drive performance improvement initiatives that directly impact user experience and retention. Join us to make a significant impact on Duolingo’s key business metric DAU, worldwide!

🧠  You will...

• Quickly develop native Android application performance optimizations in Kotlin.
• Collaborate closely with cross-functional teams to identify performance bottlenecks and implement solutions.
• Perform experiment analysis on features and find opportunities for optimization.

✅  You have...

• A minimum of 5 years of programming experience in Android development with a strong focus on performance optimization.
• Experience in developing world-class apps with stability, performance, and scalability in mind.
• Demonstrated ability to diagnose and resolve complex performance issues, including memory leaks, UI lag, and slow network responses.
• The ability to communicate technical issues effectively to technical and non-technical stakeholders.
• A desire to make the world a better place through technology and education.
• Ability to apply user insights, data, and statistical analyses to inform decisions.
• A Bachelor’s degree in Computer Science or a related technical field.
• Ability to work from or relocate to Beijing, China.

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful. 

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

About the role

We’re looking for founding members of the newly formed Asia Growth team. Your role will be to improve the Android user experience by leveraging your extensive experience to enhance the performance and efficiency of our Android app. This position offers an exciting opportunity to drive performance improvement initiatives that directly impact user experience and retention. Join us to make a significant impact on Duolingo’s key business metric DAU, worldwide!

  You will...

• Quickly develop native Android application performance optimizations in Kotlin.
• Collaborate closely with cross-functional teams to identify performance bottlenecks and implement solutions.
• Perform experiment analysis on features and find opportunities for optimization.

  You have...

• A minimum of 5 years of programming experience in Android development with a strong focus on performance optimization.
• Experience in developing world-class apps with stability, performance, and scalability in mind.
• Demonstrated ability to diagnose and resolve complex performance issues, including memory leaks, UI lag, and slow network responses.
• The ability to communicate technical issues effectively to technical and non-technical stakeholders.
• A desire to make the world a better place through technology and education.
• Ability to apply user insights, data, and statistical analyses to inform decisions.
• A Bachelor’s degree in Computer Science or a related technical field.
• Ability to work from or relocate to Beijing, China.