We are hiring for Machine Learning Engineering across multiple levels.

Your Location:

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

The Community You Will Join:

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

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

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

The Difference You Will Make:

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

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

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

A Typical Day: 

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

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

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

Your Expertise:

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

Our Commitment To Inclusion & Belonging:

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

Senior Staff/Staff Machine Learning Engineer-LLM

Company Introduction

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

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

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

Summary:

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

The Role/Responsibilities:

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

What you will bring/ Requirements:

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

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

Recruitment Process

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

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

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

Details to Consider

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

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

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

Privacy Notice​

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

[Applied in Coupang.Jobs] Equal Opportunities for All

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

Equal Opportunities for All

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

Senior Staff/Staff Machine Learning Engineer-LLM

Company Introduction

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

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

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

Summary:

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

The Role/Responsibilities:

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

What you will bring/ Requirements:

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

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

Recruitment Process

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

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

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

Details to Consider

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

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

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

Privacy Notice​

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

[Applied in Coupang.Jobs] Equal Opportunities for All

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

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

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

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

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

Key Responsibilities: 

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

Basic Qualifications: 

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

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

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

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

Privacy Notice 

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

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

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

Coupang Introduction 

Responsibilities  

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

Qualifications  

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

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

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

Preferred Qualifications  

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

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

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

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

What You Will Do 

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

What We’re Looking For 

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

Bonus Points 

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

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

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.

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

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

That's where you come in.

Riot Engineers bring deep knowledge of specific technical areas but also value the chance to work in many broader domains. As a Software Engineer, you’ll also dive into projects that focus on team cohesiveness and cross-team goals. You’ll provide other engineers with a clear illustration of extraordinary engineering.

拳头工程师拥有特定技术领域的深厚知识，同时也重视在各种更广泛领域的机会。作为软件工程师，您还将深入研究注重团队凝聚力和跨团队目标的项目。您将为其他工程师展示非凡的程序思维能力。

As a Staff Software Engineer, Services, you will report to the Engineering Manager of an early stage product team. You will be responsible for the back-end for a globally scalable suite of services. This includes integration with Riot standard platforms, building out new platforms, and managing infrastructure and compliance requirements. Additionally, this also includes ensuring we have monitoring and diagnostic capabilities to help mitigate and prevent unreliable code. You will ensure we have a solid technical foundation to launch smoothly at scale.

作为Staff Software Engineer, Services，您将向处于早期阶段产品团队的主程汇报。您将负责全球可扩展服务套件的后端。这包括与拳头标准平台集成、构建新平台以及管理基础设施和合规性要求。此外，这还包括确保我们拥有监控和诊断能力，以帮助避免和防止不可靠的代码。您将确保我们拥有坚实的技术基础，来促进游戏大规模的顺利上线。

Responsibilities:

• Design, build, and deliver internet scale backend services for a genre-defining game we will deliver globally to millions of people
• Generate and support the multi-service architecture to run globally scalable services
• Build features from in-game all the way down to the backend service implementation
• Build features to improve server reliability and performance
• Implement server infrastructure in support of new gameplay features
• Build and support live services for the game
• Work with cloud technologies and services such as AWS
• Mentor more junior engineers on the team
• Collaborate effectively with art, design, and other disciplines within game development

职责描述：

• 为我们将向全球数百万人提供的游戏设计、构建和提供互联网规模的后端服务
• 生成并支持多服务架构以运行全球可扩展服务
• 构建从游戏内一直到后端服务实现的功能
• 构建功能以提高服务器可靠性和性能
• 实施服务器基础设施以支持新的游戏功能
• 为游戏构建并支持实时服务
• 使用云技术和服务，例如 AWS
• 指导团队中初级工程师
• 与游戏开发中的美术、策划和其他专业同事进行有效协作

Required Qualifications:

资质要求：

• 6+ years of experience building large scale backend systems or game services
• Experience developing large systems from scratch, including gathering requirements and designing scalable, production-ready architecture
• BS degree or equivalent experience
• Expertise with C++, Golang
• Experience with cloud computing and cloud technologies
• 拥有 6 年以上构建大型后端系统或游戏服务的经验
• 具有从头开始开发大型系统的经验，包括收集需求和设计可扩展、可生产的架构
• 学士学位或同等学历
• 精通 C++、Golang
• 拥有云计算和云技术经验

Desired Qualifications:

理想资质：

• 2+ years of experience as a technical lead
• Experience working on a global scale online game
• Experience with Unreal Engine
• Experience with developing mobile games
• Experience working on both sides of client/service architecture
• Experience with CI/CD pipelines including Jenkins
• Experience with containerization technologies such as Docker
• 2年以上技术主管经验
• 拥有全球规模在线游戏的工作经验
• Unreal Engine经验
• 有手游开发经验
• 对于客户端/服务架构都有工作经验
• 具有 CI/CD 管线（包括 Jenkins）的经验
• 拥有 Docker 等容器化技术的经验

Don’t forget to include a resume and cover letter. We receive a lot of applications, but we’ll notice a fun, well-written intro that shows us you take play seriously.

For this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes the delight of players. We will be looking at your past studies, experience, and your personal relationship with games. If you embody player empathy and care about the experiences of players, this could be the role for you!

Our Perks:

Riot Games fosters a player and workplace experience that values teamwork embodied by the Summoner's Code and Community Code. Our culture embraces differences as a strength, and our values are the guiding principles for how we approach work. We are committed to putting diversity and inclusion (D&I) at the center of everything we do, and promoting a fair and collaborative culture where Rioters treat one another with dignity and respect. We encourage you to read more about our value of thriving together and our ongoing work to build the most inclusive company in gaming.

Riot engineers bring deep knowledge of specific technical areas but also value the opportunity to work in a variety of broader domains. As a Software Engineer, you’ll be exposed to both new and current technology while building innovative solutions to overcome high-volume obstacles and deliver player value.

As a Staff Graphics Software Engineer on the R&D team you are responsible for helping Riot build and deliver a brand new game! You will keep the players' experience in mind as you build rendering systems and features to support one of our new games. You will also work collaboratively with technical artists, artists, designers, and producers to deliver genre-defining experiences to our players.

Responsibilities:

• Act as the team’s subject-matter expert in graphics engineering
• Develop and maintain engine technologies powering one of Riot’s new games
• Collaborate closely with technical artists and art teams to realize the game’s visual and creative vision
• Monitor and optimize the performance of the game client across platforms
• Design, implement, and enhance tools for artists on multiple platforms
• Troubleshoot pipeline issues and proactively identify areas for improvement

Required Qualifications:

• 6+ years of professional experience in Unreal Engine real-time rendering development; 8+ years preferred
• Deep experience with Unreal Engine 5 core rendering features such as Lumen and Nanite
• Familiarity with GPU-driven rendering, mesh shaders, ray tracing pipelines, and anti-aliasing techniques
• Expert proficiency in C++ and Unreal Engine’s rendering APIs
• Strong knowledge of modern graphics APIs such as Vulkan and DirectX 12, and experience with hardware architectures including consoles and mobile GPUs
• Expertise in low-level optimization techniques for both PC and mobile platforms
• Proficient in graphics profiling and diagnostics using tools like PIX, RenderDoc, and Nsight, with demonstrated experience in cross-platform performance tuning
• Experience developing rendering pipelines for both mobile and PC platforms
• Comfortable working in an agile development environment

Desired Qualifications:

• Familiarity with League of Legends IP and its visual style; knowledge of other Riot Games IP is a plus
• Demonstrated experience collaborating closely with artists to achieve creative goals
• Credited as a core rendering engineer on at least one shipped game title
• Fluent in both spoken and written English

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.

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our industry-first live Proof of Reserves & Liabilities dashboard and the company's mission to maintain the trust of its growing community of traders. Our team of about 180 highly talented employees works from 12 cities across eight countries in Europe and Asia 🚀

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our industry-first live Proof of Reserves & Liabilities dashboard and the company's mission to maintain the trust of its growing community of traders. Our team of 200+ highly-talented employees works from 12 cities across eight countries in Europe and Asia 🚀

Our vision is to inspire confidence, higher performance, and joy in every user. We have a mission to provide the best liquidity on the best terms. We compete not just on price execution but also on integrity, user experience, innovative tools, and global opportunities.

About the opportunity:

We are looking for a Staff / Senior Backend Engineer who can join us along this mission and vision. You’ll become an integral part of the Backend team, responsible for all the development of the backend services that support our WOO X and internal tools 7*24. The heroes keep improving the performance of our trading system and optimising the stability and scalability of our whole ecosystem. Interested? Keep on reading!

What you’ll be working on:

• Design, build, and optimize backend services for a high-performance, low-latency trading platform.
• Develop and maintain robust, scalable APIs (RESTful and WebSocket) using Java + Spring Boot, supporting real-time trading and market data.
• Architect and implement highly concurrent systems that ensure 24/7 system reliability and throughput.
• Collaborate closely with cross-functional teams (Product, Business, DevOps) to align technical solutions with business goals.
• Troubleshoot complex production issues, identify root causes, and propose effective, scalable fixes.
• Contribute to system architecture and design discussions, and promote best engineering practices through code reviews and technical mentorship.
• Demonstrate potential for technical leadership, with the ability to drive initiatives and influence technical direction across the team.

Why work with us:

Join us in realising our vision in advancing decentralisation, and leading innovation in CeFi. Enjoy work flexibility, a supportive team, and an environment that nurtures your ideas. Plus, expect a performance-based annual bonus for all contributors at WOO 💪

About you:

• 5+ years of backend development experience, with deep proficiency in Java and Spring Boot / Spring Cloud.
• Strong knowledge of multithreading, concurrency models, and asynchronous programming.
• Experience building high-concurrency, high-availability backend systems in production environments.
• Familiar with message brokers (e.g., Kafka, RocketMQ), databases (MySQL/PostgreSQL), and in-memory stores (e.g., Redis).
• Solid experience with containerized environments (Docker, Kubernetes) and Linux-based systems.
• Proven track record of independently solving complex backend/system-level problems.
• Excellent communication skills and ability to work effectively with cross-functional stakeholders.
• Previous experience in financial services, trading systems, or crypto exchanges is a strong plus.
• Experience mentoring others or demonstrated potential for technical leadership is a significant advantage.

Getting the job

We're actively seeking talented individuals to join our team outside of our typical hiring schedule. This proactive approach allows us to connect with exceptional candidates like you even before specific positions become available.

On average, successful candidates go through five rounds of interviews and tests. Our hiring process begins by meeting with our People Team, who help facilitate the process of placing you in your new role. You can expect to share your experience and ideas in online video interviews with our hiring team, made up of management and potential new colleagues.

Submitting your resume now ensures that you're first in line when new opportunities arise. By doing so, you'll have a head start in the selection process and get a chance to showcase your skills and experience.

Get started on your application here!

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.

Important to read before submit application: This role must be physically based in China.

We are hiring 2 Staff Software Engineer positions for different teams under the Community Support Platform. 

The Community You Will Join:

Community Support (CS) has increasingly become a key driver of enabling Airbnb's core business. Community Support Engineering is responsible for the world-class technology, architecture, and solutions that power CS at Airbnb. The products and capabilities we build empower our guests and hosts, CS agents, and operations teams around the world. As a member of CSP in China, you will have a great opportunity to make lasting impacts on the Airbnb CS user experience.

The Difference You Will Make:

We are seeking a highly skilled and motivated engineer who is passionate about making a difference through their work. As a Staff Software Engineer, you will be the technical lead in a team of talented and diverse software engineers leading the project execution to improve Airbnb customers and agents experience. You will lead the team and work with global technical leaders to build and evolute CS engineering foundations, such as Routing, Data platform, Case management, foundational toolings etc

A Typical Day: 

• Collaborating with cross-functional partners to deeply understand business problems before developing project solutions.
• Leading the execution of projects across the full software development lifecycle, including technical design, implementation, testing, and deployment, ensuring solutions are high-quality, scalable, and performant; 
• Driving productive and constructive technical discussions with peers and cross-team technical leaders in the global collaborative working environment, to ensure alignments with technical strategies across CS products and capabilities.
• Tackling highly complex technical challenges, proactively identifying and mitigating potential risks during project execution.
• Writing exemplary and high-quality codes and design documents that set the standard for the team.
• Advocating for and embedding engineering best practices within the team, ensuring a culture of technical excellence.
• Actively coaching and mentoring engineers across the CSP China team to foster growth and elevate technical capabilities.
• Supporting team growth by participating in recruiting efforts and conducting interviews.
• Promoting and exemplifying an engineering culture with inclusiveness, effective communication, and quality. 
• Being a collaborative and supportive teammate who inspires and elevates the entire engineering organization.

Your Expertise:

• 9+ years of software development experience.
• Strong proficiency in at least one major backend programming language (e.g., Java, Kotlin, Scala, Python); experience with modern front-end frameworks (e.g., React, Angular, Vue.js) are preferred but not a must.
• Proven track record of delivering end-to-end products in a collaborative environment globally.
• Experience with architectural patterns of large-scale web applications, including well-designed APIs, high-volume data pipelines, and efficient algorithms.
• Demonstrated ability to make data-driven decisions, articulate technical trade-offs, and communicate effectively with cross-functional partners.
• Passion for creating intuitive user experiences and a keen interest in data systems and analytics.
• Bachelor's degree in Computer Science or related field, or equivalent practical experience.
• Fluent in both English and Chinese.

Your Location:

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

Our Commitment To Inclusion & Belonging:

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