Full-stack developer, co-founder, and CS student based in Taiwan. I build products from frontend to backend to mobile — with both craft and purpose. For case studies and the full portfolio, see sevenishere.com →
Building — OLLM (OwnLLM), a BYOK AI chat SaaS platform. Zero to one, currently in MVP stage.
Maintaining — TronClass API, an unofficial LMS integration library on GitHub and NPM.
Maintaining — SpotLive: A Spotify live activity visualization project focused on realtime presence and minimal UI.
Leading — VALKI at Deebug Co., Ltd. as Co-founder & CTO. 140k+ active users across Flutter + Java + Next.js.
Learning — System design, distributed architecture, advanced Supabase and PostgreSQL.
Languages
Frontend & Mobile
Backend & Infrastructure
Design
[ LANGUAGES BREAKDOWN ]
JavaScript --> 2,233,498 lines
TypeScript --> 800,913 lines
Dart --> 61,179 lines
Java --> 42,633 lines
C++ --> 9,004 lines
Python --> 7,840 lines
Swift --> 4,667 lines
Rust --> 966 lines
Others --> 172,381 lines
[ TOTAL LINES OF CODE: 3,333,081 ]
i. Shipped beats perfect. Ideas are worthless; execution is everything. Every idea sitting in your head is software that doesn't exist yet.
ii. Start from the user's pain. Before writing the first line of code, ask who needs this and why. The answer shapes everything.
iii. Technology is a means, not an end. Choose the right tool for the problem, not the newest shiny thing.
