Jaylen Bian
Software Engineer II at Duolingo
Beijing, United States
Summary
👤
Senior🎓
Top SchoolJaylen Bian is a Senior Software Engineer with nine years of experience building high-quality iOS and cross-platform products, currently at Duolingo after significant engineering roles at LinkedIn and ByteDance. He has led client-side architecture and team delivery on large features like Duolingo Score and the LinkedIn China app, with a strong background in Swift, reactive patterns, and GraphQL. Jaylen contributes to notable open-source projects such as the Flutter-based AppFlowy, focusing on editor UX and embed handling, reflecting a blend of front-end polish and system design. Based in Beijing and open to US opportunities or visa-sponsored roles, he pairs advanced academic training (Master's in CS from Beihang) with pragmatic product-first engineering across mobile and NLP-adjacent work.
9 years of coding experience
5 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Beihang UniversityBachelor's degree Computer Science, Bachelor's degree Computer Science at Chongqing University
English, French, Greek, Welsh, Chinese
Github Skills (10)
web-widgets10
user-interface10
flutter-game10
dart10
widgets10
flutter-apps10
flutter10
content-management-system8
content-management8
notepad7
Programming languages (2)
Github contributions (5)
AppFlowy-IO/AppFlowy
Jul 2021 - Sep 2021
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:54 commits, 1 comment in 2 months
Contributions summary:Jaylen's commits primarily focus on adding and refactoring editor-related components and functionalities within the Flutter-based AppFlowy project. The contributions include integrating an editor library, restructuring the editor directory architecture, and implementing embed builder handlers, including image and Flutter logo support. They also addressed keyboard shortcut integrations, demonstrating a focus on improving user experience.
flutterwebno-codeatsflutter-uicustomizations
Minecodecraft/50DaysOfSwift
Jun 2017 - Dec 2017
Contributions:73 commits, 68 pushes, 1 branch in 6 months
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