About

Work

2025.02—2026.03 · Front-end chapter lead at a startup (LEAD) Emotion → Tailwind, Nx → Turborepo, CI 15 → 2 min, CDN cache 60 → 90%, per-PR preview envs on EKS for 20+ people.
2024.07—2024.09 · Project management system for a large enterprise Next.js front end, pnpm monorepo, CI/CD on GitHub Actions and Azure DevOps, training for the team.
2021.10—2023.01 · Corporate web for a Japanese bank (LEAD) On-site Frontend Lead Freelancer. Direct React development, code style establishment, quality control, team leadership, mentoring, code review, testing, and full CI/CD pipeline management.
2021.01—2021.09 · E-voting and e-notice for a Korean public agency Next.js maintenance, e-notice design and build, client CI/CD, Redmine project management, 10+ client sessions.
2019.07—2020.11 · Ran my own dev agency (CEO) Ran it as CEO — sales, contracts, development, delivery: community sites, a debit-card service, a dating app.

Frontend — UI/UX development, performance optimization, componentization, caching strategies, SEO, developer experience.
Backend — Everything from basic CRUD to complex, high-reliability systems.
Infra · Ops — Deployable and operable on Cloudflare, AWS, or any platform.
Quality — Automated tests verify correctness with every deployment.