At FUNWOO Real Estate, I’m the sole engineer responsible for the listing platform’s website, back office, API, mobile app, and GCP deployment. I migrated the backend from Express to NestJS and made the repaired unit test suite a deployment gate.
At HOTCAKE, I joined as the only frontend engineer and later moved into a senior role as the team grew. I led development of booking products used by more than 10,000 merchants, and introduced Jest to the booking site, where the suite now includes about 800 tests.
I also led development of HOTCAKE’s React Native and Expo merchant app, which has a 4.8-star App Store rating and more than 25,000 downloads in the past year. I took the member SSO prototype to production with SMS OTP, call-in verification, and passkeys; after passkeys launched, SMS OTP volume dropped by more than half.
Earlier, I built enterprise platforms at Cloud Interactive, IoT and factory dashboards at Power-Tech, and a production lifecycle tracing platform at HEX. I write a spec before development and have recently used Claude Code and OpenSpec, with unit tests and CI as release checks.
