Projects
3 shipped products
Three projects, each built solo. HeartBox is the deepest, and the one worth reading properly — it is the reason this site exists.
Flagship
Solo developer (capstone)Read the case study
A mental-health journalling platform built on retrieval-augmented generation, with a Random Forest emotion forecast and self-hosted open-weight model inference. Every layer of it — ML, backend, frontend, mobile, infrastructure — was built by one person.
Subscription reminders that arrive before the charge — over LINE, email or desktop, not a receipt after the money has gone. It is a paid product itself, so the recurring billing and the government-mandated e-invoicing behind it are mine too (Taiwan's, though the EU, Latin America and India all run the same kind of scheme).
One inventory a household shares, with a different level of access for each member and full editing while offline. Paste a block of text from Notion, Excel or Google Sheets and it works out the items, quantities and units rather than making you retype them.