Calvin Jeng
Frontend Developer at 星展銀行
Taoyuan City, Taiwan
Summary
👤
Senior🎓
Top SchoolCalvin Jeng is a Frontend Developer with 11 years of experience building user-centric web applications, currently enhancing Taiwan’s DBS digital banking platform with React, TypeScript, Redux, and redux-saga. He previously worked at Garmin where he transitioned from back-end Java/Spring API design to front-end interfaces using React and Backbone, giving him full-stack fluency across services and UIs. Calvin combines a strong computer science foundation (Master’s and Bachelor’s from 國立清華大學) with practical expertise in RESTful API design, testing with Jest, and cross-platform development on Linux, macOS, and Windows. He is an active open-source contributor focused on localization and internationalization—improving Chinese and Korean support for the popular react-timeago component and fixing time calculation edge cases. Known for quick incident resolution and feature delivery in production banking environments, he balances reliability with user-centered design. Based in Taoyuan City, he maintains several GitHub projects that showcase his attention to globalized UX and precise engineering.
11 years of coding experience
4 years of employment as a software developer
學生, 高中, 學生, 高中 at 中壢高中Master's degree, Computer Science, Master's degree, Computer Science at 國立清華大學
English, Chinese
Stackoverflow
47reputation
17kreached
0answers
5questions
Github Skills (15)
internationalization10
javascript10
localization10
chinese-simplified10
chinese-traditional10
react10
k9
front-end-development8
e-mail6
gmail6
ios6
google-cloud-platform6
csv6
google-app-engine6
django6
Programming languages (10)
Github contributions (5)
nmn/react-timeago
Apr 2018 - May 2018
A simple time-ago component for ReactJs.
Role in this project:
Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:5 commits, 3 PRs, 3 comments in 7 days
Contributions summary:Calvin primarily focused on improving the localization support for the React-Timeago component. They modified language files to correct and update Chinese (Simplified and Traditional) and Korean translations. The user also addressed an issue related to the `now()` function, ensuring it respected user input for accurate time calculations.
reacttimeago
lockys/me
Aug 2015 - May 2026
Contributions:110 pushes, 5 branches in 10 years 10 months
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