Youngjin Kang
Frontend Developer at Toss
Seoul, South Korea
Summary
👤
SeniorYoungjin Kang is a frontend developer based in Seoul with 9 years of experience building performant, accessible web interfaces and shared component systems for high-traffic products. He has driven front-end architecture and developer productivity at scale—from migrating monorepos and improving SSR performance to operating a Module Federation–based web payment module and a webview-native communication library at Kakao Mobility. Comfortable across React/Next.js, TypeScript, Storybook and modern CI workflows, he has led full-featured product builds for B2B MES systems and consumer services alike. Now at Toss, he continues to focus on elegant information delivery and interaction design while ensuring systems are maintainable and resilient in production. An understated strength is his track record of turning legacy stacks into modern, testable front-end platforms that improve both user experience and team velocity.
9 years of coding experience
6 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
crx10
chrome-extension10
chrome9
tech-blog8
react7
javascript1
Programming languages (3)
Github contributions (5)
leesiguk/leesiguk-client
Aug 2019 - Sep 2019
Contributions:88 commits, 47 PRs, 70 pushes in 15 days
youngjin-k/willread-website
Feb 2021 - Nov 2021
The willread website
Contributions:38 PRs, 55 pushes, 8 branches in 9 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.