Puny Chat
Live · App Store soonA messenger for two, with a tiny pixel buddy you raise together just by chatting.
Henry Kim — Backend Software Engineer
Hello,
I'm Henry Kim.
Backend engineer in Tokyo, working mainly in Java and Spring. Outside work I build small products end to end, from design and code to cloud infrastructure and keeping them running.
Day job
Backend Engineer
Payments & finance · API · DB · Auth · Cloud
Tools I reach for
- Java
- Kotlin
- Spring Boot
- PostgreSQL
- Azure
- Terraform
- Next.js
- TypeScript
Projects
UR Check
Live · Invite only · I use itSearch UR rental vacancies by your conditions and track rooms that are new, relisted or gone. The website and AI assistants work from the same conditions and history.
Try the demo — UR Check live siteBun · PostgreSQL · MCP
GitLeaf
Live · Free to useYour year of GitHub contributions, painted as a watercolor plant: one leaf for each day. Paste one line into your README to use it.
GitHub — GitLeaf sourceTypeScript · Cloudflare Workers · SVG
Quant Lab
Live · Real trades at 1/100A payday investing bot that copies your habits, and AI bots that set the mix every day. All of them run on my real account at 1/100 scale.
Try the demo — Quant Lab live sitePython · FastAPI · Claude API
Pokepedia
Live · Remake“Who's that Pokémon?” as a Game Boy–style battle, with a Gen 1 Pokédex and a sticker book. In Korean, English and Japanese.
Dev blog
hukutaku.tistory.com
@ottuck