Scopely’s Security Team seeks a Security Engineer to improve the security stance of our infrastructure and production environments. Scopely Engineering leads the development and operation of multiple successful mobile games. We seek creative engineers with excellent technical judgment, strong interpersonal skills, and an eagerness to embrace new technologies.  Do you want to be part of our team, and make our internal and user-facing services safer and more robust? 

What You Will Do

• You guide teams making the right security decisions when building out new infrastructure, code, and corp environment 
• You build automation to keep our environment safe for our engineers to use.
• You have an advanced understanding of foundational cloud technologies like Docker, Kubernetes, MDM, Fuzzers, Code Scanners, and IAM
• You participate in the management of the Security posture across the organization, multi cloud and code environments. 
• You own and improve existing infrastructure, code and tooling for security.
• You leverage new technologies to elevate Scopely security.
• You collaborate with the engineering teams on the rollout of security measures.
• You help shape the security strategy of the company through innovation.

What We're Looking For

• You can demonstrate programming skills in one main programming language, as an example Go, Java or Python, this list is not exhaustive.
• You have 5+ years of experience in a global company with cloud-centric infrastructure.
• You have an in-depth understanding of Cloud, Corporate, and Software Security technologies.
• You have experience building out tooling, helping engineers and improving security.
• You have proven strong communication and team skills in a distributed environment.
• You have experience in driving organization wide changes in fast moving environments.

Please ensure that the résumé/CV you attach is written in English.

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
 
 

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

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.

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!

Scopely is looking for a Server Engineer, Tooling 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 within 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 seeking a Server Engineer, Tooling to design, build, and optimize the core tools and infrastructure that power our backend game development and deployment workflows.

What We’re Looking For

• Experience: professional experience in software engineering, tooling, DevOps, or infrastructure engineering, with deep expertise in optimizing developer workflows and CI/CD systems at scale.
• Tooling Expertise: Advanced hands-on experience designing and optimizing build systems like Bazel and Gradle. Experience with dependency injection frameworks.
• CI/CD Expertise: Strong background in designing and maintaining CI pipelines (e.g., GitLab CI) and runner infrastructure.
• Infrastructure Skills: Strong background with cloud platforms (Alibaba Cloud, AWS, Azure, or GCP) and container orchestration (Kubernetes). Experience with Terraform or other infrastructure-as-code tools.
• Programming & Scripting: Proficiency in Go, Python, Java, Bash, or similar languages for automation, tooling, and CI workflow orchestration.
• Systems Knowledge: Strong understanding of Linux systems, networking fundamentals, security best practices, and tooling for large-scale, distributed engineering teams.
• Communication: Professional proficiency in Mandarin, bonus for English
• Education: BS / MS in Computer Science or Software Engineering or equivalent

Bonus Points

• Experience building production-grade services using Java, with strong knowledge of performance tuning, and modern development best practices
• Experience supporting large server monorepos and optimizing server development workflows for online games or high-scale applications.
• Familiarity with common testing frameworks and strategies for automated server-side testing (smoke tests, integration tests, end-to-end tests).
• Experience using AI tools to speed up the development lifecycle and improve efficiency

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). 

About The Role

We are looking for a passionate Mid-Level Backend Engineer to join our team. The ideal candidate will have a strong foundation in back-end technologies, along with the ability to contribute to each phase of the software development lifecycle.

What You Will Do

• Design, develop, test, and maintain features and functionalities for our web application/platform.
• Collaborate with cross-functional teams (Design, Product, QA) to define, design, and deliver new features and enhancements.
• Troubleshoot, identify, and resolve performance and scalability issues.
• Implement and ensure the best security practices are maintained.
• Ensure code quality through writing unit tests, automation, and conducting code reviews.
• Participate in brainstorming and ideation sessions to help evolve the product roadmap.
• Mentor junior developers, providing guidance, and feedback to help them grow.
• Stay current with the latest trends and technologies in full stack development.

What We Are Looking For

• Bachelor's degree in Computer Science, Engineering, or a related field.
• At least 3 years of professional experience in full stack development.
• Solid experience with back-end development using Golang.
• Familiarity with databases, specifically MariaDB.
• Experience with version control systems, preferably Git.
• Familiarity with modern build and deployment tools like Docker, and CI/CD pipelines.
• Excellent problem-solving skills and a passion for technical challenges.
• Strong verbal and written communication skills.

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.

Why A365 Software Engineering?

Build the cloud platform that’s transforming electronics design. Altium 365 for cloud lets design engineers communicate, collaborate and bring their ideas to market more efficiently than any platform in the industry. These are some of the R&D Software Engineering contributions you might make to Altium 365:    

• Building new cloud-native applications and scalable infrastructure
• Utilizing AI and ML to power advanced search capabilities
• Large-scale data processing; data modeling; holistic, intent-based API design
• Stateful and stateless servers, relational databases, ORM frameworks

Altium offers the opportunity to conceive and build new product features for electronics engineers, and add your own ideas to the world’s most collaborative and efficient electronics design platform.

A Day in The Life of Our DevOps Engineer:

• Have clear and solid relationships with software development departments.
• Plan and document work and projects.
• Build and continuously optimize CI/CD process and streamline automation effort for server provisioning and applications deployment.
• Build a resilient and scalable service infrastructure to accommodate regions.
• Deploy, monitor and scale application services.
• Mentor team members and drive knowledge sharing.
• Participate in project management and on-going strategic planning.

Who you are and what you’ll need for this position:

• It's a full-time, on-site position - five days a week in the office.
• 6+ years of experience in DevOps / SRE environment.
• 6+ years of experience working with Linux, Windows systems.
• Strong understanding and knowledge of Kubernetes. 
• Strong understanding and knowledge of cloud infrastructure components such as AWS (EC2,EKS, RDS, Opensearch, S3, Storage, Route53 and network appliances.
• Strong understanding of Infrastructure as a Code approach (Terraform preferred).
• Good understanding of Software Development Lifecycle.
• Good understanding of microservice architecture.
• Good experience in Monitoring k8s clusters, APM, services and infrastructure located in AWS (NewRelic).
• Ability to create automation tools in Go, Python, Bash, Powershell.
• Familiarity with Continuous Delivery tools used with microservices.
• Hands-on experience architecting and securing cloud networking such as VPC peering, Transit Gateways, subnet, and security groups (nice to have).
• Working knowledge of Jenkins, GitLab or alternative Continuous Integration systems.
• Understanding of Active Directory, DNS and Domain (nice to have).
• Coding Experience.

At Visual Concepts, we believe great games are made by diverse and empowered teams with a shared passion for play. As one of the world’s top game development studios, we have shipped over 100 multi-sku titles to critical acclaim and commercial success. Our teams are independent and ambitious. Our studios in Novato, Irvine, Budapest, Shanghai, Austin, Boise, Seoul and Parksville, Canada are committed to artistry and ground breaking technology, offering top candidates the opportunity to learn and grow with some of the hardest working and most creative minds in the industry.

Visual Concepts China (Shanghai) is seeking a Senior Full-Stack Server Engineer to join our studio for an unannounced project. Widely regarded as one of the world’s top video game studios, Visual Concepts, a subsidiary of Take-Two Interactive Software, Inc. (TTWO). Visual Concepts is best known for some of the world’s greatest sports videogames, including the world’s #1-rated and #1-selling basketball franchise, NBA 2K.

What We Need:

We are looking for a  backend specialist, responsible for designing, developing, and maintaining robust, scalable, and secure server-side applications and APIs. This role requires solid, hands-on experience in server API setup and configuration, along with a strong solid understanding of database storage solutions.

Who Will Be A Great Fit:

• Experience: 8-10 years of professional experience in software development, with at least 5 years focused on high-scale backend server engineering
• Server API Mastery: Demonstrable expertise in designing, building, documenting, and consuming complex server APIs (REST/GraphQL). Must have experience with API gateways and service-to-service communication
• Proficiency in major backend languages (e.g., Python, Java, C++)
• Database Proficiency: Strong solid understanding of relational databases (e.g., PostgreSQL, MySQL, MS SQL Server) including query optimization, indexing, and schema design. Good understanding on in-memory database solutions as well as NoSQL databases for scaling across machine clusters
• Cloud Computing: Hands-on experience deploying and managing applications on at least one major cloud platform (AWS, Azure, or GCP)
• Expert knowledge of various testing methodologies and requirements (unit, integration, BVT, stress and performance testing). Able to setup testable framework for automation and white-box testing
• Bachelor or higher degree (or its equivalent) in Computer science, Computer engineering or a directly related field
• Love for video games (not just ours!)

Might Be Nice:

• Experience deploying large-scale microservices and distributed systems
• Good understanding of networking, data storage and security
• Experience with Infrastructure as Code (IaC) tools like Terraform, AWS CloudFormation, Google Cloud Deployment Manager or Azure Resource Manager
• Understanding of a heavily regulated or high-traffic environment (e.g., FinTech, e-commerce, telecommunications)
• Prior experience in leading technical projects and mentoring junior engineers

please email: hrcn@vcentertainment.com

To learn more about Visual Concepts and our studio locations, check out our website at www.vcentertainment.com

At Visual Concepts, we believe great games are made by diverse and empowered teams with a shared passion for play. As one of the world’s top game development studios, we have shipped over 100 multi-sku titles to critical acclaim and commercial success. Our teams are independent and ambitious. Our studios in Novato, Irvine, Budapest, Shanghai, Austin, Boise, Seoul and Parksville, Canada are committed to artistry and ground breaking technology, offering top candidates the opportunity to learn and grow with some of the hardest working and most creative minds in the industry.

Visual Concepts China (Shanghai) is seeking a Senior Full-Stack Server Engineer to join our studio for an unannounced project. Widely regarded as one of the world’s top video game studios, Visual Concepts, a subsidiary of Take-Two Interactive Software, Inc. (TTWO). Visual Concepts is best known for some of the world’s greatest sports videogames, including the world’s #1-rated and #1-selling basketball franchise, NBA 2K.

What We Need:

We are looking for a  backend specialist, responsible for designing, developing, and maintaining robust, scalable, and secure server-side applications and APIs. This role requires solid, hands-on experience in server API setup and configuration, along with a strong solid understanding of database storage solutions.

Who Will Be A Great Fit:

• Experience: 8-10 years of professional experience in software development, with at least 5 years focused on high-scale backend server engineering
• Server API Mastery: Demonstrable expertise in designing, building, documenting, and consuming complex server APIs (REST/GraphQL). Must have experience with API gateways and service-to-service communication
• Proficiency in major backend languages (e.g., Python, Java, C++)
• Database Proficiency: Strong solid understanding of relational databases (e.g., PostgreSQL, MySQL, MS SQL Server) including query optimization, indexing, and schema design. Good understanding on in-memory database solutions as well as NoSQL databases for scaling across machine clusters
• Cloud Computing: Hands-on experience deploying and managing applications on at least one major cloud platform (AWS, Azure, or GCP)
• Expert knowledge of various testing methodologies and requirements (unit, integration, BVT, stress and performance testing). Able to setup testable framework for automation and white-box testing
• Bachelor or higher degree (or its equivalent) in Computer science, Computer engineering or a directly related field
• Love for video games (not just ours!)

Might Be Nice:

• Experience deploying large-scale microservices and distributed systems
• Good understanding of networking, data storage and security
• Experience with Infrastructure as Code (IaC) tools like Terraform, AWS CloudFormation, Google Cloud Deployment Manager or Azure Resource Manager
• Understanding of a heavily regulated or high-traffic environment (e.g., FinTech, e-commerce, telecommunications)
• Prior experience in leading technical projects and mentoring junior engineers

please email: hrcn@vcentertainment.com

To learn more about Visual Concepts and our studio locations, check out our website at www.vcentertainment.com

Summary: We are seeking an AI Engineer to join an innovative team in Shenzhen. This role involves developing cutting-edge AI solutions to support our next-generation Layer 1 blockchain project, focusing on institutional adoption and the tokenization of real-world assets. The AI Engineer will play a critical role in designing and implementing AI models that bridge traditional Web2 institutions into Web3.

Responsibilities:

• Design and develop AI algorithms and models to support blockchain infrastructure.
• Collaborate with cross-functional teams to integrate AI solutions into blockchain applications.
• Analyze and interpret complex data sets to enhance decision-making processes.
• Implement machine learning models to improve blockchain scalability and efficiency.
• Ensure AI solutions comply with regulatory and security standards.
• Stay updated with the latest AI and blockchain technologies.

Required skills:

• Bachelor's or Master’s degree in Computer Science, AI, Machine Learning, or a related field.
• Proven experience in AI and machine learning model development.
• Strong programming skills in languages such as Python, R, or Java.
• Familiarity with blockchain technology and decentralized applications.
• Ability to work collaboratively in a fast-paced, dynamic environment.
• Excellent problem-solving and analytical skills.
• Proficiency in English and Mandarin is required.

Available Work Location: Shanghai, China 

What you’ll do

You are the technical keystone through the entire sales cycle - pre and post sales. You will work closely with our Enterprise prospects and customers in Greater China region to educate, empower, and ensure their success on the Cloudflare platform. You will leverage your technical expertise in Cloudflare’s global distributed network and technology to find best-fit solutions for prospects, to train and onboard new customers via video-conference, in person, or through documentation, and to support the long-term success of the customer. As an expert on web/mobile security and performance, you are a trusted source for developing new firewall rules from log files, crafting performance caching and delivery strategies, and creating or repurposing internal tools and scripts for customers.

As a Solutions Engineer, you are the technical customer advocate within Cloudflare. To aid your customers, you will work closely with every team at Cloudflare, from Sales and Product to Engineering and Customer Support. Your goal of customer success should drive you through the entire organization as you seek out and create scalable solutions for your customer’s needs.

What we're looking for 

Our Solutions Engineers come from a wide range of backgrounds: financial consulting, engineering, software development, product management, customer support & project delivery. We're serious about building a diverse team. When hiring we look for diversity of experience combined with genuine curiosity for our technology.

Ultimately, you are passionate about technology and have the ability to explain complex technical concepts in easy-to-understand terms. You are naturally curious, and an avid builder who is not afraid to get your hands dirty. You appreciate the diversity of challenges in working with customers, and look forward to helping them realize the full promise of Cloudflare. On the Solutions Engineering team, you will find a collaborative environment where everyone brings different strengths and jumps in to help each other.

Additional experience might include a combination of the skills below:

• Ability to manage a project, work to deadlines, and prioritize between competing demands;
• Hands on technically.
• Understanding of “how the internet works”. For example:
• Know the differences between TCP & UDP, and understand what kinds of applications may favor one over the other;
• Can explain the difference between authoritative DNS & recursive DNS;
• You understand the role of a firewall, why TLS (SSL) plays an increasingly important role on today's Internet, a solid understanding of HTTP and a willingness to dive deeper into the quirks of clients & servers alike;

Bonus Points

• Previous experience in a sales or consulting role covering East China region. 
• Fluency in Mandarin and English to support regional customers;
• Demonstrated experience with a scripting language (e.g. Python, JavaScript, Bash) and a desire to expand those skills;
• You've built a web application before, or contributed to an existing application in a meaningful way;
• You can describe the differences between CSRF, XSS and SQLi in detail, and Cloudflare's role in defending against them;
• Understanding of, or experience with, regulatory requirements such a PCI DSS, HIPAA, and SOC-2;

Purpose of Position

• The Digital Commerce Products Director will need to be a visionary and creative thinker who will manage and be responsible for the delivery and execution as well as introduce new innovative solutions to cope with the business needs. The incumbent will collaborate with business development, compliance, and technology teams as well as directly engage with different parties to research and advance innovative product solutions from concept to development.
• This will require both in-depth end user knowledge and familiarity with Digital asset custody, as well as a deep appreciation and understanding of the next generation technologies and foundational steps of digital initiatives.

Job Description

• Deliver best-in-class e-commerce and omnichannel experience while increasing our speed on experiments and execution.
• Oversee all in-house and third-party software systems from e-commerce to production to all growth initiatives.
• This is not a day-to-day hands-on development role but we expect the incumbent to be highly technical, e.g., system architecture, code review, and debugging live systems.
• Liaise with all business units to ensure all system requirements are captured and all technical blockages are resolved in a timely fashion.
• Establish and enforce best engineering practices to ensure quality codebase, smooth scaling, site reliability, and system security.
• Build, mentor, and lead a top-performing engineering team: leading by examples and continuous improvement on the team’s soft and hard skills.
• Take ownership of the vision/strategies of software product while formulating business models backed by analysis of competitive landscape including but not limited to ERP system, NFT projects, Product feeds management system, Business Intelligence, Data automations, Influencer management system (IRM), Marketing automation system, Custom apps, etc.
• Define product roadmap, drive backlog prioritization and implementation.
• Initiate and drive product enhancement strategies to improve customer experience based on user feedback and requirements.
• Strong knowledge of digital custodian technologies and the pro/cons associated with them to ensure the product meets the highest security standards.
• Generates and validates new product ideas based on market research and engagement with Technology , Business teams and clients as appropriate.
• Elevate Casetify’s employer branding to attract digital talents.

Requirements

• Hands-on engineering leadership.
• Led team responsible for large scale eCommerce business over hundred millions of US dollars.
• Excellent stakeholder management with strong product mindset and business acumen.
• Successfully delivered business result with a mix of in-house team and external agencies.
• Built and led engineering team from scratch.
• Known for promoting best practices at work.
• At least 5 years of working experience in engineering leadership/ product management role with a proven track record of managing end to end software product lifecycle from strategy to evaluation.
• Experience in building and driving innovative products, including management, from ideation through to design and development.
• Excellent presentation, communications and influencing skills.
• Proven ability to build relationships with internal and external partners and stakeholders.
• Entrepreneurial attitude, with experience in fintech or fast-paced corporate environments a plus.
• Have a good experience in working across business units in the course of the product roadmap and gather business requirements and translate them into technical specifications for the development team.
• Solid experience in developing product roadmap and associated backlogs.
• Previous experience for B2B software products or E-commerce is a plus.
• Happy to work in a buzzing multicultural environment.
• Proficient in spoken and written Chinese and English.

THE ROLE

Sourcing Director - Dress & Skirt

We are seeking a Sourcing Director - Dress & Skirt to join our growing team. Use this section to give a concise overview of the role, including any unique responsibilities, scope, or context that will help candidates understand why this role matters.

Responsibilities

• Develop and implement the end-to-end supply chain and sourcing strategy for the women categories (Dress & Skirts across different fabrications, woven, knit and sweater knit), including a multi-sourcing approach to ensure resilience.
• Onboard new manufacturing partners to the Quince direct-to-consumer (D2C) model and provide coaching on operating within a rapid replenishment, M2C (Manufacturer-to-Consumer) environment.
• Educate partners on the Quince Operating System (OS), covering:
• Operational Excellence: Fostering rapid lead times and a consumer-oriented approach.
• Financial Model: Achieving high Return on Invested Capital (ROIC).
• Technical Integration: Proficient use of the Vendor Portal.

Operational Excellence & Growth

• Drive continuous improvement to achieve key performance indicators:
• Quality: Defect rate less than 0.5%.
• Speed & Accuracy: Replenishment Lead Time under 14 days.
• Availability: In-stock rate exceeding 99%.
• Financial Impact: Margin-accretive performance.
• Lead Catalog Expansion in collaboration with Merchandising and Product Development (PD) teams, successfully launching new styles and colors approved through the New Product Creation (NPC) process.
• Conduct structured Quarterly Business Reviews (QBRs) with the management of each partner, focusing on strategic alignment, business performance highlights, identified areas for improvement, and future objectives.

Qualifications

• 15+ years of a director level of Strategic Sourcing or Procurement, or Supplier Management experience operating with major US-based retailers.
• Deep set of partner factory connections within category (Dress & Skirts across different fabrications, woven, knit and sweater knit) globally, including APAC, IST and EMEA regions
• Product obsessed with experience in leveraging factories/vendor expertise to design, cost engineer, and bring products to market. With a thorough Knowledge of Key Material localised in the region
• GM mindset with a supply chain background and manufacturing (lean/ JIT) experience
• Deep understanding of cost for the categories , able to drive product cost saving thru clean sheets and apply different negotiation tactics 
• Highly organized, detail-oriented and analytical with focus on execution, problem- solving, improving processes and brand enhancement.
• Continuous learner and highly curious; always open to considering new perspectives; proactive when changing course and facing added challenges.
• Business savvy and embrace technology /AI 
• Excellent written and verbal communication, presentation, and interpersonal skills
• Bachelor’s Degree, preferred.

Purpose of Position

• The Senior Engineer, DevOps, Infrastructure Operations and AIOps will be responsible for the design, implementation, enhancement, and support of the company’s cloud and infrastructure platforms, deployment pipelines, operational tooling, and service reliability capabilities. The incumbent will work closely with engineering, product, security, and business teams to ensure that technology platforms are stable, scalable, secure, and efficient in supporting business growth.
• The incumbent is expected to bring strong hands-on experience in DevOps, infrastructure operations, automation, and production support, together with practical exposure to AIOps capabilities that improve monitoring, incident detection, alerting, troubleshooting, and operational efficiency in a fast-paced and dynamic environment.

Job Description

• Design, build, maintain, and optimize infrastructure platforms, DevOps pipelines, and operational tooling to support reliable and scalable technology delivery.
• Manage and enhance cloud and on-premise infrastructure environments, including compute, storage, network, access control, backup, disaster recovery, and related platform services.
• Build and improve CI/CD pipelines, release automation, environment provisioning, and infrastructure-as-code capabilities to strengthen delivery speed, consistency, and quality.
• Work closely with application engineering teams to ensure solutions are deployable, observable, secure, and operationally supportable across development, testing, and production environments.
• Support production operations, service monitoring, incident response, root cause analysis, problem remediation, and continuous service improvement.
• Implement and maintain observability capabilities including logging, metrics, tracing, dashboards, and alerting to improve system visibility and operational responsiveness.
• Drive automation initiatives across infrastructure operations, deployment, configuration management, patching, capacity management, and operational workflows.
• Contribute to AIOps use cases including intelligent alert correlation, anomaly detection, predictive monitoring, incident triage support, operational insights, and workflow automation to improve efficiency and reduce manual effort.
• Collaborate with security teams to ensure infrastructure and DevOps practices align with security, compliance, vulnerability management, and access governance requirements.
• Support system resilience through backup, recovery planning, failover readiness, and disaster recovery testing.
• Work with third-party vendors and service providers where required to maintain service quality, issue resolution, and platform stability.
• Document infrastructure standards, runbooks, procedures, and best practices to strengthen team knowledge sharing and operational consistency.

Requirements

• Strong hands-on engineering experience in DevOps, infrastructure operations, site reliability, or platform engineering roles.
• Good understanding of cloud infrastructure, network fundamentals, system administration, environment management, backup and recovery, and operational support practices.
• Solid experience with CI/CD, infrastructure as code, configuration management, scripting, automation, and deployment tooling.
• Experience in production support, incident management, troubleshooting, root cause analysis, and operational improvement in business-critical environments.
• Strong understanding of observability and monitoring practices including logs, metrics, tracing, dashboards, and alerting.
• Practical experience with AIOps, intelligent operations tooling, or AI-enabled monitoring and automation capabilities is preferred.
• Familiarity with applying AI or machine learning concepts in operations use cases such as anomaly detection, event correlation, incident prediction, intelligent alerting, and workflow automation is a plus.
• Good understanding of infrastructure security, access control, patching, vulnerability management, and compliance requirements.
• Experience working with engineering teams in agile and fast-paced delivery environments.
• Strong problem-solving skills with the ability to troubleshoot across infrastructure, platform, deployment, and application support layers.
• Known for promoting automation, operational excellence, reliability, and engineering best practices.
• At least 5-8 years of relevant working experience in DevOps, infrastructure engineering, platform operations, or related technology roles.
• Experience in eCommerce, retail, or high-transaction consumer-facing environments is a plus.
• Experience in multicultural and fast-paced organizations is preferred.
• Strong communication and collaboration skills.
• Proficient in spoken and written Cantonese and English.

Supply Chain, Sourcing Strategy & Partner Management

• Develop and implement the end-to-end supply chain and sourcing strategy for the Sweater categories including a multi-sourcing approach to ensure resilience.
• Onboard new manufacturing partners to the Quince direct-to-consumer (D2C) model and provide coaching on operating within a rapid replenishment, M2C (Manufacturer-to-Consumer) environment.
• Educate partners on the Quince Operating System (OS), covering:
• Operational Excellence: Fostering rapid lead times and a consumer-oriented approach.
• Financial Model: Achieving high Return on Invested Capital (ROIC).
• Technical Integration: Proficient use of the Vendor Portal.

Operational Excellence & Growth

• Drive continuous improvement to achieve key performance indicators:
• Quality: Defect rate less than 0.5%.
• Speed & Accuracy: Replenishment Lead Time under 14 days.
• Availability: In-stock rate exceeding 99%.
• Financial Impact: Margin-accretive performance.
• Lead Catalog Expansion in collaboration with Merchandising and Product Development (PD) teams, successfully launching new styles and colors approved through the New Product Creation (NPC) process.
• Conduct structured Quarterly Business Reviews (QBRs) with the management of each partner, focusing on strategic alignment, business performance highlights, identified areas for improvement, and future objectives.

Responsibility 

• 15+ years of a director level of Strategic Sourcing or Procurement, or Supplier Management experience operating with major US-based retailers.
• Deep set of partner factory connections within Sweater category globally , including APAC , IST and EMEA regions
• Product obsessed with experience in leveraging factories/vendor expertise to design, cost engineer, and bring products to market. With a thorough Knowledge of Key Material localised in the region
• GM mindset with a supply chain background and manufacturing (lean/ JIT) experience
• Deep understanding of cost for the categories , able to drive product cost saving thru clean sheets and apply different negotiation tactics 
• Highly organized, detail-oriented and analytical with focus on execution, problem- solving, improving processes and brand enhancement.
• Continuous learner and highly curious; always open to considering new perspectives; proactive when changing course and facing added challenges.
• Business savvy and embrace technology /AI 
• Excellent written and verbal communication, presentation, and interpersonal skills
• Bachelor’s Degree, preferred.

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:

We are looking for a product-minded Staff Software Engineer (Backend) to lead the technical strategy and drive innovative initiatives for Airbnb’s international guest experiences. At Staff level, you will set a technical vision and drive execution of solutions that are highly available, secure, efficient, and designed to scale across many markets with the needs of the international business. You will work across product, engineering, data scientists, designer and cross-functional partners to solve these technical challenges and deliver high-quality products for Airbnb.

A Typical Day

• Own technical vision and lead effort to architecture, prototype, build and launch solutions for international markets initiatives (market configuration, localization services, partner integrations, compliance-aware experiences, etc).
• Lead complex, cross-team execution from design through launch, including team roadmap, technical direction, migration plans, rollout strategy, and long-term operability.
• Drive engineering excellence through reliability, performance, security, and cost efficiency.
• Influence roadmaps and collaborate with stakeholders across regions, such as drives alignment, resolves tradeoffs, leads through ambiguity.
• Mentor engineers both within and outside of the team.

Your Expertise

• Fluency in English is required. Japanese or Korean working proficiency is a plus .
• 9+ years of professional software engineering experience, including Tech Lead responsibilities (required).
• Proven track record leading end-to-end delivery of high-impact, user-facing products—from technical design and implementation through launch and post-launch operations.
• Demonstrated ability to set technical direction for a team or multi-team area (e.g., defining architecture, establishing engineering standards, and shaping a long-term technical roadmap).
• Strong product mindset: you connect technical decisions to customer outcomes and business impact, and you’re comfortable operating in ambiguity with an iterative, experiment-driven approach.
• Expertise designing and operating systems that are highly available, scalable, secure, and cost-efficient, with clear operational readiness.
• Strong experience working in cross-functional, global environments, driving alignment and results through influence across teams and time zones.
• Demonstrated ability to mentor and develop engineers, raise the quality bar through reviews and coaching, and establish and drive best practices.

Software has moved to play a central role in network technology. From outstanding routing implementations like Bird and FRR to overlay networking technology such as OVN/OVS and Cilium, from kernel with SwitchDev to userspace with DPDK, from P4 to OpenFlow, the relationship between network innovation and software continues to deepen. We are building teams to bring the very best open source networking software to market in a well integrated and opinionated stack that brings the latest hyperscaler innovation to end users and enterprise customers.

We work with networking silicon providers to optimize Ubuntu and related applications for their ASICs, boards and appliances. We aim to provide a complete open source stack for data center networking, from bare metal through virtualization, container and serverless, and also to address IoT networking systematically.

You will have a good chance of success if you are an outstanding software engineer, passionate about networking, with a special interest in the interface of hardware ASICs for acceleration and software for innovation and control. We value experience in open switch initiatives such as SoNIC and DENT, and upstream experience with components such as routing, kernel networking, eBPF, DNS, firewalls and load balancers. Our selection process is rigorous and requires work from the candidate as six to eight interviews over a period of months. We look for excellent academic results and a commitment to quality, resilience, documentation, security and performance in your work.

At Canonical you will have the opportunity to engage with the broader open-source community and industry leading partners in developing future-proof networking solutions. We're looking for individuals who can help build a thriving community, contribute to a broad range of technologies, and contribute to the deployment of Ubuntu, Ubuntu Core, Private Clouds, MAAS and Kubernetes across a broad range of devices and use cases.

Location: we have network software engineering roles in APAC (Top-of-Rack switches) and Americas (SmartNIC/DPU) time zones.

What your day will look like

• Work with the most advanced operating systems and network application technologies available
• Participate upstream and deliver the Ubuntu SoNIC stack
• Collaborate with public clouds and network silicon providers
• Design and implement the best software-defined networking experience for the data center
• Write high-quality, well-designed, fast, secure and well-documented software
• Debug issues and produce high-quality fixes
• Collaborate proactively with a globally distributed organization
• Contribute to technical documentation to make it the best of its kind
• Display technical leadership internally, towards our partners, and in the open source communities
• Influence open-source projects and communities
• Work from home, with global travel twice a year for company events of up to two weeks duration

What we are looking for in you

• An exceptional academic track record
• Undergraduate degree in Computer Science or STEM, or a compelling narrative about your alternative path
• Drive and a track record of going above-and-beyond expectations
• Knowledge of networking: architecture, design, and protocols
• Understanding of Linux networking, from kernel to user space
• Fluency in C/C++ and at least one of Rust, Python or Golang
• Professional written and spoken English 
• Experience with Linux
• Excellent interpersonal skills, curiosity, flexibility, and accountability 
• Passion, thoughtfulness, and self-motivation 
• Excellent communication and presentation skills 
• Result-oriented, with a personal drive to meet commitments 
• Ability to travel twice a year, for company events up to two weeks each

Additional skills that you might also bring

• Familiarity with existing open source networking technologies: SONIC / SAI, kernel (e.g. eBPF, AF_XDP), DPDK, Switchdev, OVN, Open vSwitch.
• Familiarity with data path hardware acceleration protocols and interfaces, such as RDMA, RoCE, iWARP, NVMe, SR-IOV
• Computer architecture knowledge of x86, ARM, and RISC-V
• Experience in complex IP network engineering and implementation
• Experience with virtualization technologies, e.g., QEMU, KVM, etc.
• Previous contribution to open source projects and community involvement
• Performance engineering and security experience

What we offer you

We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.

• Distributed work environment with twice-yearly team sprints in person
• Personal learning and development budget of USD 2,000 per year
• Annual compensation review
• Recognition rewards
• Annual holiday leave
• Maternity and paternity leave
• Employee Assistance Programme
• Opportunity to travel to new locations to meet colleagues
• Priority Pass, and travel upgrades for long haul company events

About Canonical

Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world every day. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Canonical has been a remote-first company since its inception in 2004.​ Working here is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game.

Canonical is an equal opportunity employer

We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration.

#LI-remote

We are representing a leading force in the decentralized exchange (DEX) space, specifically operating within the high-performance Solana ecosystem. 

Core Responsibilities

• Design and implement core exchange logic and smart contracts in Rust, tailored for high-throughput execution.
• Develop and refine sophisticated funding rate mechanisms to ensure market stability and balanced open interest.
• Build robust on-chain infrastructure, including Automated Market Makers (AMMs) and hybrid liquidity models that bridge the gap between on-chain and off-chain depth.
• Architect margin systems, liquidation engines, and real-time risk management logic; perform rigorous audits of critical code paths for security and efficiency.
• Act as the bridge between research and production, converting complex economic models and market microstructure theory into performant smart contract logic.
• Optimize protocol execution specifically for the Solana Virtual Machine (SVM), navigating unique runtime constraints and parallelization opportunities.

Technical Profile

• Expert-level Rust skills with a focus on memory safety, concurrency, and performance optimization.
• Deep, hands-on experience with Solana and the SVM. You should be comfortable building production-grade programs (with or without the Anchor framework).
• A proven track record of shipping decentralized protocols (Perpetuals, DEXs, or Yield Aggregators).
• Strong command of derivatives mechanics, perpetual futures, and exchange economics.
• The ability to anticipate how protocol-level changes affect market participants, liquidity providers, and overall system solvency.

Summary: We are seeking an experienced Site Reliability Engineering (SRE) / DevOps Manager to lead our teams and drive reliability roadmaps. As a key player in our leading crypto tax and portfolio tracking platform, you will ensure the resilience and efficiency of our cloud-native infrastructure.

Responsibilities:

• Lead and manage SRE and DevOps teams to optimize platform reliability and performance.
• Develop and implement reliability roadmaps, ensuring alignment with business goals.
• Collaborate with cross-functional teams to drive cloud-native strategies and solutions.
• Oversee incident management processes and implement proactive measures to minimize downtime.
• Ensure the scalability and security of our infrastructure in a cloud environment.

Required skills:

• Minimum of 3 years' management experience in SRE or DevOps roles.
• Strong background in cloud-native environments and technologies.
• Experience with incident management and reliability improvement frameworks.
• Excellent leadership and team management skills.
• Strong problem-solving abilities and a proactive approach to challenges.

Summary: Join a leading global payments firm as a Soroban Smart Contracts Developer. Leverage the Stellar network to revolutionize cross-border settlements by developing smart contracts and integrating anchor services. Your expertise will enhance the efficiency and security of our payment solutions.

Responsibilities:

• Develop and optimize Soroban smart contracts for cross-border payment solutions.
• Integrate anchor services within the Stellar network framework.
• Collaborate with cross-functional teams to ensure seamless integration and functionality.
• Conduct testing and debugging to ensure robust performance of smart contracts.
• Stay updated with the latest trends and developments in blockchain technology and payments.
• Document development processes and provide technical support to relevant stakeholders.

Required Skills:

• Proven experience in developing with Stellar SDKs and Rust programming language.
• Strong understanding of blockchain technology and decentralized networks.
• Familiarity with smart contract development and deployment processes.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.
• Ability to work in a dynamic and fast-paced environment.

Summary: Join a leading DeFi protocol with high Total Value Locked (TVL) as a DevOps Engineer, ensuring 24/7 uptime and seamless operations. This role involves designing CI/CD pipelines and managing cloud security to support a robust and secure infrastructure within the fintech industry.

Responsibilities:

• Design and implement CI/CD pipelines to streamline deployment processes.
• Manage and enhance cloud security measures to protect against potential threats.
• Ensure 24/7 system uptime and reliability for a major DeFi protocol.
• Collaborate with cross-functional teams to implement best practices in DevOps and security.
• Monitor and optimize system performance and cost-efficiency.
• Automate infrastructure provisioning using tools like Terraform.

Required Skills:

• Mastery of Docker, Kubernetes (K8s), and Terraform.
• Proven experience in a fintech environment with high security standards.
• Strong expertise in cloud security and CI/CD pipeline design.
• Excellent problem-solving skills and attention to detail.
• Ability to work in a high-paced, 24/7 operational environment.

Summary: Join a pioneering research-led organization focused on developing a sovereign, decentralized communication stack. As a key player in our team, you will stress-test networks and simulate Byzantine attacks to ensure robust and resilient communication systems.

Responsibilities:

• Design and implement stress tests for network infrastructures.
• Simulate Byzantine attacks to evaluate network security and resilience.
• Collaborate with a cross-functional team to enhance the communication stack.
• Analyze and report findings to improve network protocols and architecture.
• Contribute to the development of innovative solutions for decentralized communication challenges.

Required skills:

• Experience with network simulation tools.
• Proficiency in Rust or Go programming languages.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Demonstrated experience in stress-testing networks and security protocols.

Summary: Join a leading New York-based crypto research and development lab specializing in Layer 2 scaling solutions. We are seeking a talented individual to research consensus algorithms and implement protocol upgrades, driving innovation in the blockchain space.

Responsibilities:

• Conduct in-depth research on consensus algorithms to enhance blockchain scalability.
• Design and implement protocol upgrades for Layer 2 scaling solutions.
• Collaborate with a team of experts to develop cutting-edge blockchain technologies.
• Analyze and optimize existing protocols to improve performance and security.
• Contribute to technical discussions and provide insights into cryptographic solutions.

Required skills:

• Strong background in Cryptography.
• Proficiency in programming languages such as Go or Rust.
• Experience with blockchain technologies and consensus mechanisms.
• Strong analytical and problem-solving skills.
• Ability to work collaboratively in a fast-paced research environment.

Summary: Join as a Backend Developer at a leading decentralized middleware protocol company. Your role will focus on managing distributed validator sets and automating infrastructure through Infrastructure as Code (IaC) for Web3 developers. You will play a vital part in automating and streamlining processes, enhancing the efficiency and scalability of our operations.

Responsibilities:

• Develop and maintain backend services using Go programming language.
• Manage distributed validator sets to ensure optimal performance and reliability.
• Automate infrastructure deployment and management using Kubernetes (K8s), Terraform, and AWS.
• Collaborate with cross-functional teams to design, develop, and deploy scalable Web3 solutions.
• Monitor and troubleshoot system performance and security issues.
• Contribute to architecture and design discussions to optimize technology stack and processes.

Required skills:

• Strong proficiency in the Go programming language.
• Expertise in Kubernetes (K8s) for container orchestration and management.
• Hands-on experience with Terraform for infrastructure automation.
• Solid understanding of AWS cloud services and infrastructure management.
• Experience in managing distributed systems and validator sets.
• Excellent problem-solving skills and ability to work in a fast-paced environment.
• Strong communication skills and ability to work collaboratively in a team setting.

Summary: Join a leading non-custodial wallet provider committed to bringing the next billion users into the world of decentralized finance (DeFi). We are seeking a talented mobile application developer to build high-security mobile applications and implement advanced biometric authentication and secure key storage solutions.

Responsibilities:

• Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin.
• Implement and enhance biometric authentication features to ensure user security.
• Design and manage secure key storage systems.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Troubleshoot and debug to improve application performance.
• Stay updated with emerging technologies and propose enhancements to improve user experience.

Required Skills:

• 3+ years of experience in mobile application development using React Native, Swift, or Kotlin.
• Strong understanding of mobile security principles and best practices.
• Experience with implementing biometric authentication.
• Knowledge of secure key storage methodologies.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.

We are working with a decentralised exchange which looks to innovate on providing the best of CEXs and DEXs, focusing on building a safe, simple and scalable platform for trading. They differentiate themselves by offering institutional level systems and support whilst remaining on-chain and decentralised.

We are in search of a Security Engineer to join their vibrant team, where you will play a crucial role in pinpointing risks across the organisation. Collaborating with each team, you will focus on identifying, alerting, mitigating, and preventing risks. This role offers you the chance to contribute to shaping, constructing, and pioneering security solutions in a swiftly evolving industry.

What you’ll be doing:

• Architecting, implementing, and managing comprehensive security solutions.
• Establish and enforce security policies, standards, and guidelines that comply with industry regulations and best practices.
• Participate in penetration testing and purple teaming with ongoing or new projects to ensure their security posture is at a high level.
• Monitor and respond to security incidents, ensuring quick resolution.
• Build automation and leverage security frameworks with engineers that are able to improve security and reduce friction.
• Take part in critical discussion topics, with the ability to challenge decisions and the status quo; we take collaboration and feedback seriously, believing it is one of the foundational principles of a great team.

What we’re looking for:

• Strong Information Security (InfoSec) skills, with proven experience in application security or a relevant field.
• Hands-on experience of developing, engineering, or architecting within a public cloud environment.
• Experience with engineering, using infrastructure-as-code (such as Terraform and Ansible).
• Experience with performing threat modelling exercises or a very good understanding of the methodology and ability to assess a project's risk.
• Understanding of container and DevSecOps concepts (we use DefectDojo) with CI/CD experience.
• Familiarity with blockchain technology and cryptocurrency trading platforms.

Bonus Points:

• Professional certifications such as OSCP, CISSP, CDP & CMTP.
• Experience with IT security frameworks such as SOC 2 and ISO 27001.

#LI-REMOTE

Role Summary

Ubuntu is the most widely used Linux for innovation from cloud to connected device. Our growing team of IoT field engineers help customers deliver sophisticated IoT products and services across a wide range of industries - from autonomous vehicles to refrigeration solutions.

Field engineers carry a significant responsibility - helping customers understand the range of silicon and board options, helping them deliver their unique applications, and helping them ensure the security of critical infrastructure. Our team hires software engineers with experience in the full stack of Linux from firmware to GUI. We represent Canonical and its capabilities to some of the most important companies in the world. Our customers have tremendously varied goals - from mission critical and very expensive machines to tiny and low-cost things. We aim to bring the right insights at each stage of the process and to help these customers make effective choices. Most importantly, we aim to help them deliver devices that meet their business goals, on time. 

Responsibilities include consulting, developing, demonstrating, and presenting some of the most advanced operating systems and application technologies available in the enterprise world. The role is a fast-paced, problem-solving environment and the questions require answers can be challenging yet very exciting. The right candidate must be resourceful, quick-thinking, and able to deliver on a wide variety of solutions across cloud, server, desktop and IoT technologies.

This role will support customers in China and the broader Asia-Pacific market.

Key Responsibilities and Accountabilities

• Build strategic relationships with key technology partners and customers
• Conduct yourself as a trusted technical advisor
• Apply expertise in analysing a customer's business or technical challenges and correctly map the appropriate solution
• Leverage deep knowledge of Ubuntu and related technologies to provide technical subject matter expertise to sales staff, partners, and customers for the development and implementation of complex IoT products and end-end solutions
• Work in conjunction with Canonical’s IoT and Cloud sales, delivery and business development teams to grow existing customer accounts as well as winning new customers, including the interaction with other offices in APAC (Taipei, Tokyo and Beijing).
• Develop and present technical sales collateral such as presentations, how-to guides, and technical competitive documents to project teams.
• Propose and present custom technical solutions to Canonical’s clients and partners based upon Ubuntu technologies such as Ubuntu Core, Snaps and other Canonical technologies.
• Understand and champion the technical knowledge and product skills required to meet customer requirements and close new business.
• Assist in coordinating and preparing responses to RFx documents.
• Based in Shenzhen, travel required; mix of domestic and international up to 30%.

Required Skills and Experience

• A degree in engineering, preferably computer science or software engineering
• 2 years experience in enterprise or commercial software development with Linux
• Excellent communication and presentation skills - both to customers and in support of technology and industry conferences.
• Skills in supporting complex sales cycles what involve detailed technical requirements, multiple technical stakeholders and new innovative product designs.
• Ability to interpret customer business challenges and technical issues and effectively communicate how a solution will align to their needs and requirements.
• Experience of deploying embedded and IoT solutions - from hardware, operating systems through applications and cloud services.
• Understanding of security issues in the IoT industry.
• Understanding of the Linux kernel: modules, BSPs, etc.
• Familiarity with x86 and ARM SoC architectures and vendors.
• Experience of working in verticals such as automotive, robotics, gateway, networking, industrial and digital signage.
• 5+ years of experience in technical roles with Linux, preferably Ubuntu
• Open source & Linux
• Familiarity with open source development tools and methodology.
• A strong and demonstrated grasp of Linux technologies including advanced scripting, development and Linux software packaging experience.
• Familiarity with the licenses and license compliance requirements for open source software.
• Familiarity with boot loaders and hardware-related aspects of Linux development
• Strong English and Chinese language communication skills, especially in online environments such as mailing lists and social collaboration tools
• Ability to be productive in a globally distributed team through self-discipline and self-motivation, delivering according to a schedule.
• Self-driven personality.

关于我们 / About Us

AlphaGrep 是一家全球领先的量化交易公司，专注于股票、商品、外汇及固定收益等资产的算法交易。我们在国际市场拥有显著份额，依托自主开发的超低延迟系统与严格的风控体系，持续构建高效能策略。

AlphaGrep is a leading global quantitative trading firm specializing in algorithmic strategies across equities, commodities, FX, and fixed income. We hold significant market share internationally, powered by proprietary low-latency infrastructure and robust risk controls.

AlphaGrep China 是专注于中国市场人民币资产管理的机构，服务对象涵盖机构投资人、家族办公室与高净值客户。我们深耕中国资本市场，涵盖股票及衍生品等多类资产，结合全球量化研究体系与本地实战经验，构建多元交易策略，致力于实现长期稳健增长。

AlphaGrep China is a dedicated RMB asset management platform focused on the Chinese market, serving institutional investors, family offices, and high-net-worth individuals. We leverage deep expertise in China’s equity and derivatives markets, together with AlphaGrep’s global quantitative research capabilities, to deliver diversified strategies targeting long-term and stable returns.

岗位职责 / Responsibilities

监控生产交易的风险和合规性问题，并快速响应异常行为或市场情况；Monitoring production trading for risk and compliance issues and quickly responding to unusual behaviours or market conditions.

与资深交易员协同运营并执行我们的自动交易策略；Work as a team with senior traders to operate and implement our automated trading strategies.

解决生产问题、管控生产前后工作风险、协调各角色并与交易所、托管商和生产支持团队协同，以无缝管理和监控团队的战略；Troubleshoot production issues, manage risk, pre and post production jobs, reconcile positions, interact with exchanges, brokers and production support team to seamlessly manage and monitor the team's strategies.

任职要求 / Qualifications

知名院校本科及以上学历；A bachelor’s degree from a top-tier college or university

有至少2年的交易支持经验；At least 2 years of experience in trading to trade support role

有托福和雅思成绩者优先；TOEFL or IELTS scores will be highly preferred

熟练掌握SQL、Python、Bash和Linux（必需）；Experience with SQL, Python, Bash and Linux (Must)

有一定股票、期货、期权市场风控知识；Working knowledge of risk control of equities, futures, options markets

对高频自动化交易策略有扎实经验，深入理解交易所的特定规则和程序；Solid experience with high-frequency automated trading strategies and understanding of exchange-specific rules and procedures

扎实的解决问题、数学和定量推理能力；Strong problem-solving, mathematical and quantitative reasoning skills

注重条理及细节，能够独立开展工作；Extremely organized, detail-oriented, and able to work independently

出色的沟通能力，能在商务场景下用英语流利表达；Excellent communication skills and fluency in English for business purposes

加入我们 / Why You Should Join Us

信任是团队协作的根基

我们鼓励坦诚沟通与主动承担，让每一位成员都能在安全感中成长，自主决策、共同前行。这份信任源于彼此支持与并肩作战，是我们最珍贵的团队资产。

Trust is the foundation of collaboration.

We foster open communication and proactive ownership, empowering every team member to grow with a strong sense of security, make autonomous decisions, and move forward together. This trust—built through mutual support and shared commitment—is our most valued asset.

优秀的团队成员，我们汇聚了工程师、数学家、统计学家，保持好奇心，乐在其中。

Great People. We’re curious engineers, mathematicians, statisticians and like to have fun while achieving our goals.

透明的组织架构，我们重视每一位成员的想法与贡献。

Transparent Structure. Our employees know that we value their ideas and contributions.

轻松的办公环境，无等级文化，常有团建、聚会与休闲活动。

Relaxed Environment. Flat organization with yearly offsites, happy hours, and more.

健康福利支持，健身补贴、零食饮品、充足年假。

Health & Wellness Programs. Gym membership, stocked kitchen, and generous vacation.