Sean Xu
Software Engineer at Meta
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolSean Xu is a seasoned software engineer with 12 years of experience building consumer-facing video and UI systems, currently at Meta in Seattle. He co-founded and scaled a FinTech startup to a $25M+ ARR and led full-stack teams through a profitable exit, combining product instincts with hands-on engineering across AWS, Node.js, Python, C#, TypeScript and React. His earlier work at Microsoft and Facebook spans real-time streaming (WebRTC/HLS), video recommendation algorithms, and platform UI for Windows and Xbox, reflecting deep expertise in low-latency media and front-end engineering. An active contributor to the WinJS UI toolkit, he’s comfortable shipping polished component work and refactoring at the open-source level as well as driving backend systems at scale. Known for bridging product, data, and engineering, he brings entrepreneurial grit together with pragmatic technical leadership.
12 years of coding experience
11 years of employment as a software developer
Bachelor & Master of Science (BS/MS) Graphics Perception, Bachelor & Master of Science (BS/MS) Graphics Perception at Rochester Institute of Technology
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
css10
uid10
javascript10
web-components10
front-end-development10
ui-design10
typescript-types9
typescript9
typescripts9
Programming languages (2)
Github contributions (5)
winjs/winjs
Apr 2014 - Nov 2015
A UI toolkit for modern browsers
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 release, 319 commits, 7 PRs in 1 year 7 months
Contributions summary:Sean's commits primarily focused on the UI toolkit for modern browsers. They addressed issues related to the user interface components, including the styling and implementation of controls like Pivot, AutoSuggestBox, and ToggleSwitch. The contributions also involved fixing bugs, refactoring code, and integrating new features for components within the WinJS library. The commits demonstrate expertise in UI development and related styling technologies.
user-interfacebrowserdeclarative-uibrowsersjavascript
winjs/generator-winjs
Mar 2015 - Jun 2015
Contributions:1 release, 5 commits, 5 pushes in 3 months
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