Justin Sun
Frontend Developer at ByteDance
Adelaide, South Australia
Summary
🤩
Rockstar🎓
Top SchoolJustin Sun is a frontend developer based in Adelaide with six years of hands-on experience building engaging web experiences and shipping production-ready UI features. Currently at ByteDance and a University of Adelaide student, he blends academic rigor in mathematics and computer science with practical full-stack work—having built a Next.js/Tailwind web game and integrated analytics and e-commerce tooling in prior roles. An active open-source contributor, he improved the popular alibaba/hooks library by enhancing its useLongPress hook with movement thresholds and mobile behavior fixes, plus clear refactors and demos. He also served as Open Source Officer for his university club, mentoring peers and running workshops that translate community contributions into real project impact. Though early in his career, Justin consistently focuses on usable, well-documented front-end solutions that bridge developer ergonomics and end-user polish.
6 years of coding experience
Bachelor, Mathematics and Computer Science, Bachelor, Mathematics and Computer Science at University of Adelaide
Chinese, English
Stackoverflow
63reputation
14kreached
0answers
3questions
Github Skills (16)
javascript10
react-hooks10
react10
ui-design9
front-end-development9
ahooks9
uid9
nodejs6
google-chrome-extension6
google-chrome6
mongodb6
jestjs6
database6
jtest6
prisma6
Programming languages (12)
Github contributions (5)
alibaba/hooks
May 2022 - May 2022
A high-quality & reliable React Hooks library. https://ahooks.pages.dev/
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 reviews, 11 commits, 1 PR in 4 days
Contributions summary:Justin primarily contributed to the `useLongPress` React Hook, enhancing its functionality and improving its usability. Their work included adding a movement threshold feature to the hook, allowing for more precise long-press detection, and addressing mobile-specific behavior. They also refactored the code for clarity and added a demo to showcase the new functionality. The user consistently made incremental improvements, refining both the code and documentation.
reactreact-hooksumi-hooksreliablehigh-quality
jsun969/jpxx-classmates
Aug 2021 - Oct 2021
Contributions:44 commits, 17 pushes, 1 branch in 2 months
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