Chang Oh
Staff Front-end Engineer at Coupang
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top SchoolChang Oh is a Front-end engineer with nine years of experience building performant, large-scale web products and platform tooling from Seoul. He has led front-end platform efforts at Toss—authoring a 100+ module framework, automated UI logging, and an i18n migration of 15,000+ sentences—and now serves as a Staff Front-end Engineer at Coupang. His background spans consumer growth features (contributing to apps reaching 10M MAU), realtime video at massive scale (React Native + WebRTC), and founding a music recommendation startup, giving him both product intuition and systems-level craft. He focuses on monorepo and module systems to enable developer productivity while driving measurable performance and localization outcomes.
9 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE, Software, Bachelor of Engineering - BE, Software at Sogang UniversityDaejeon Science High SchoolChemistry, Chemistry at Korea Advanced Institute of Science and Technology
Github Skills (103)
animated10
react-native-app10
gesture10
firebase10
javascript10
animation10
browser10
push-notifications10
obsolete10
crashlytics10
typescript10
android10
firestore10
ios10
react-native10
Programming languages (7)
Github contributions (5)
toss/packlint
Nov 2022 - Jan 2023
Lint Package.json in large JavaScript Monorepos
Contributions:72 commits, 1 PR, 22 pushes in 3 months
linterlintpackage-jsoneslintjavascript
toss/yarn-standard-workspace
Jan 2023 - Feb 2023
Contributions:1 review, 14 commits, 1 PR in 3 days
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