KAIST Computer Science undergraduate. I build products that real people use.
Shipping
LIVETimeschool — night-study management platform, running 3 years under a school contract → jinsan.timeschool.krBETATeamplo — turns a group-chat meeting into a personal to-do list · founder → teamplo.comDEVMatchA — group calendar & scheduling coordination · core developer → matchall.co.kr
Most product code is private. Public work: an OAuth / PKCE compatibility fix merged into gbrain (v0.34.1.0).
Stack — TypeScript · React · Next.js · Node.js · Python
→ Full CV at hyunseok.dev

