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About the role We are looking for a Senior Full-Stack Developer / Technical Lead who can take technical leadership of both our Backend and Web teams while still being hands-on with development. This should be a technical leadership role rather than a pure management role. You will be capable of leading the teams but can also go into the codebase, understand existing systems, identify technical problems, propose better solutions, and contribute directly when required. Key responsibilities Take ownership of technical architecture and technical design discussions Conduct meaningful code reviews and enforce development standards Mentor and provide technical direction to Backend and Web developers Guide developers and improve engineering standards Reduce technical debt and ensure the Backend and Web teams are delivering scalable, secure, and maintainable solutions Troubleshoot production, performance, scalability, and reliability issues Work closely with Mobile, DevOps/Infrastructure, QA, Product, and other engineering teams Contribute directly to the codebase when required About you Strong hands-on experience with Golang and Node.js Strong knowledge of React, Next.js, JavaScript, and TypeScript Good experience with PostgreSQL, database design, query optimization, and migrations Strong understanding of REST APIs, microservices, distributed systems, WebSockets, and backend architecture Experience with AWS, Docker, CI/CD, GitHub workflows, monitoring, and cloud-based environments Strong troubleshooting skills for production, performance, scalability, and reliability issues Strong communication skills and able to communicate in both Chinese and English Previous experience as a Senior Engineer, Tech Lead, Lead Developer, or similar technical leadership role Ideally 6+ years of software development experience Experience with IoT, real-time systems, MQTT, Redis, Firebase/Firestore, WebRTC, or high-traffic consumer applications would be an advantage
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The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.