LI JIANHAN
Computer Scientist at National University of Singapore
Singapore, China
Summary
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RockstarLI JIANHAN is a computer scientist with six years of hands-on experience building full-stack web applications, based in Singapore with roots in China. He has practical expertise in front-end UI work—HTML, CSS, and Angular—while also tackling backend Java fixes and datastore migrations to ensure reliable image handling and scalable operations. Notably, he contributed to the well-known TEAMMATES open-source feedback management tool, improving instructor and student interfaces and adding tests for admin search functionality. Comfortable bridging UX and backend concerns, he focuses on pragmatic fixes that improve maintainability and scalability. Trained at NUS Computer Science, he brings a disciplined academic foundation combined with open-source collaboration experience.
6 years of coding experience
Github Skills (13)
javascript10
angular10
html9
css9
javas8
java8
google-cloud8
user-feedback7
testing7
control-systems7
st6
teammates6
ed255196
Programming languages (4)
Github contributions (5)
TEAMMATES/teammates
Dec 2020 - Mar 2022
This is the project website for the TEAMMATES feedback management tool for education
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:289 reviews, 13 commits, 41 PRs in 1 year 3 months
Contributions summary:LI primarily contributed to the frontend of the TEAMMATES project, fixing UI bugs, and enhancing the user interface for instructor and student pages. They made changes to HTML, and CSS files, and integrated Angular components. Additionally, the user performed backend tasks by modifying Java code to rectify content types for image display and migrate datastore types. They also improved the scalability of deleting students, and added tests for the admin search page.
cssjavascriptteammatesfeedback-systemsproject-website
jianhandev/tp
Sep 2020 - Nov 2020
Contributions:84 pushes, 26 branches in 1 month
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