Lifeng Xu
Senior Staff Engineer at Alibaba Cloud US
Sammamish, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolLifeng Xu is a Senior Staff Engineer with over 8 years of experience building high-throughput, low-latency distributed systems and recommendation services, currently at Alibaba Cloud US after a multi-year tenure at Microsoft. He helped design and operate large-scale platforms that handle hundreds of thousands of queries per second and built a remote inferencing service for DLRM models used in production ranking. Equally comfortable across the stack, Lifeng contributes to front-end UX improvements—like theming, fast image loading and lyrics views—and back-end plugin integrations for music streaming in his open-source MusicFree projects. His background spans distributed storage, online serving, capacity optimization and live-site reliability, informed by early work on game and mobile platforms. A Xi’an Jiaotong University computer science master’s graduate, he pairs deep systems thinking with a pragmatic product focus and a penchant for polishing user-facing details. A lesser-known trait: he brings guerilla-level sleep prioritization to his craft, as his GitHub bio modestly declares.
8 years of coding experience
18 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Xi'an Jiaotong University
Github Skills (15)
plugin-development10
apim10
javascript10
api10
react-native10
front-end-development10
react10
axios10
typescript-types9
ui-design9
typescript9
typescripts9
nodejs8
css8
html8
Programming languages (5)
Github contributions (5)
maotoumao/MusicFreePlugins
Oct 2022 - Feb 2023
MusicFree播放插件
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 50 commits, 4 PRs in 4 months
Contributions summary:Lifeng primarily contributed to the `MusicFreePlugins` repository by adding and modifying plugin configurations for various music platforms. Their work involved defining platform-specific properties, configuring data sources, and handling different audio formats, with the goal of integrating music streaming functionality. The user also implemented caching and source URL features, and also worked on handling of lyric retrieval and playlist import capabilities. Their contributions span both frontend and backend aspects of plugin integrations.
maotoumao/MusicFree
Aug 2022 - Jan 2023
插件化、定制化、无广告的免费音乐播放器
Role in this project:Front-end Developer
Front-end DeveloperContributions:26 releases, 9 reviews, 366 commits in 5 months
Contributions summary:Lifeng primarily worked on the UI aspects of the project, including modifications to the UI elements such as the navigation bar and other UI components. The contributions included the integration of the FastImage library for optimized image loading. They also implemented the use of a light/dark theme, and a lyrics view, indicating a focus on improving the user experience through UI changes. The user also made modifications to existing UI elements such as the navigation bar.
reactreact-nativepluginaudiomusic
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.