Jeffrey Chen
Software Engineer II at Microsoft
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolJeffrey Chen is a Software Engineer II with 10 years of experience building large-scale cloud services, ML infrastructure, and developer tooling at Microsoft, currently working on the open-source Azure Developer CLI (azd). He has deep full-stack expertise—shiping VS Code extensions, front-end UX tweaks for GitHub PR workflows, and TypeScript type improvements in high-profile repos like DefinitelyTyped. Jeffrey’s background spans production services such as Azure Cache for Redis and feature infrastructure at LinkedIn, blending systems thinking with practical developer productivity work. A Seattle-based engineer and active open-source contributor, he often surfaces subtle UX and developer-experience wins (e.g., timestamping PR views and non-linear audio controls) that make complex platforms more usable.
10 years of coding experience
5 years of employment as a software developer
International Baccalaureate Diploma, International Baccalaureate Diploma at Victoria Park Collegiate InstituteBachelor of Computer Science (BCS), Bachelor of Computer Science (BCS) at University of Waterloo
Github Skills (26)
javascript10
ioredis10
css10
typescript10
type-system10
dts10
typescript-types10
audio-player10
typescripts10
react10
build-definition9
visual-studio-code-extension9
typescript-definitions9
type-definition9
dictionary9
Programming languages (25)
Github contributions (5)
microsoft/vscode-pull-request-github
Oct 2018 - Oct 2019
GitHub Pull Requests for Visual Studio Code
Role in this project:
Front-end Developer
Front-end DeveloperContributions:19 commits, 10 PRs, 20 comments in 11 months
Contributions summary:Jeffrey primarily focused on enhancing the user interface of the Visual Studio Code GitHub Pull Request extension. Their contributions involved adding timestamps to various views, including pull request titles, comments, and reviews. They also worked on improving the visual appearance by underlining hyperlinks on hover, modifying comment sections, and resolving CSS-related issues to maintain the intended design. Furthermore, the user implemented the ability to copy commit hashes and updated the date display logic.
visual-studio-codevscodevscode-extensionpull-requestsvisual-studio
lijinke666/react-music-player
May 2020 - Feb 2021
[Stop the maintenance] :musical_note: Maybe the best beautiful HTML5 responsive player component for react :)
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 review, 10 commits, 7 PRs in 9 months
Contributions summary:Jeffrey primarily focused on enhancing the functionality and user experience of the React-based music player. Their commits addressed issues with volume fade-in and fade-out effects, implemented a non-linear volume slider for a more intuitive audio control, and resolved a delay issue in the mobile player's play/pause button. Furthermore, they refactored button logic for performance improvements and addressed a bug regarding fade-in functionality on iOS devices. The user also optimized volume restoration and other elements tied to the audio player's core functionalities.
react-audio-playerlyricsreact-musichtml5player
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