Lead the team to overcome technical challenges of LL-DASH live stream playback, and integrate to the player of our live service with ultra low latency(< 3s). Refine architecture of playback module, cut lead time of playback feature delivery by 50%+, and make it success in big online live events with 100k+ audiences. Lead design & development of key playback features, guide component team and project team to develop and deliver smoothly. Host 70+ web tech sharing sessions, let web teams learn from each other and grow skills. Define web tech stack and keep it up-to-date with web teams. Tech Stack: JavaScript, TypeScript, React, Next.js, Redux, CSS-in-JS, Shaka Player, DASH/HLS Playback

Build a live stream player component based on hls.js and flv.js, that works across various OS and devices, including iPhone browsers. Collaborates with designers, product owners and developers to build new product features, ensure good user experience and good code quality. Fine tune existing components and application config for better performance. Develop shared components for product features. Peer code review with team members. Tech Stack: JavaScript, React, Redux, Mobx, SASS

Help engineering team migrate from .Net to modern React based tech stack, and lead project development with new tech stack. Help engineering team migrate from SVN to git, and create CI/CD pipelines to improve productivity. Tech Stack: JavaScript, React, Redux, SASS, .Net Core

Build a web ERP system with configurable menus, tables and forms, by modern React based tech stack. Tech Stack: JavaScript, React, Redux, SASS, Node.js

Build website projects with various tech stacks. Tech Stack: JavaScript, Angular.js 1, Python, Java, .Net