My work

Climbing gym platform · one NestJS + Prisma API serving a React Native climber app, an admin web console, and always-on TV displays · gamified XP, live leaderboards, bilingual EN/KO

Telegram bot that turns words you just met into Obsidian flashcards · Gemini JSON-mode enrichment · one text message becomes a spaced-repetition card in seconds

Browser extension that injects a folder system into YouTube itself · Svelte in Shadow DOM riding a hostile SPA · uploads from public RSS, no API keys, no login · optional cross-device sync behind a bearer Sync Code

Chrome extension that finds who doesn't follow you back · no backend, no credential handoff · rides the user's own Instagram session through an injected content script

Trilingual e-learning platform for Laos · a Next.js storefront with Notion as its only database sells the courses · a self-hosted Moodle teaches them · Stripe checkout in en / fr / lo

Minecraft horror mob that stands, sneaks and crawls to chase you through any space, one per world

Deal-sniping bot for Vinted · polls an undocumented private API every 5 s behind rotating free proxies · pings Discord seconds after a listing goes live

Chrome extension that auto-claims Twitch bonus chests while you watch · survives Twitch's obfuscated CSS churn with a semantic selector cascade · zero backend