- 🎓 CS undergraduate at KAIST
- 🤖 Building hihangul — local-first AI assistant for HWP automation
- 🗣️ Built ringle-ai-tutor — AI English tutor with STT/LLM/TTS (local & OpenAI)
- 📱 Full-stack mobile apps with Flutter + Supabase/Firebase
- 🔩 IoT with ESP-IDF & Matter protocol on ESP32
- 🦀 CLI tooling in Rust, backend in Python/Rails/FastAPI
📂 More projects
| Project | Stack | Description |
|---|---|---|
| barrier_free_kiosk_front | Java, Android | Accessible kiosk with 4 modes — standard, elderly (large UI), visually impaired (TTS + keypad), wheelchair (USB serial height control) |
| instagram_web | Next.js 15, Prisma, PostgreSQL | Full-stack Instagram clone — real-time DM (Socket.IO), stories, feed algorithm, notifications |
| persona_app | Flutter, Supabase, FCM | Anonymous social chat — persona-based random matching & friend system |
| farm-direct | TypeScript, Python | Agricultural direct-trade platform with Playwright e2e tests (19/19 pass) |
| banana | Flutter, ML Kit | AI-powered secondhand marketplace — image labeling for fraud prevention |
| quant_sim_app | Next.js, TypeScript | Stock trading simulator frontend with Google OAuth and real-time charts |