Yeonghun Yoo — a fast, quick developer

// About

I've mostly built native iOS apps, but I don't box myself into one platform.

When a problem keeps coming back at work, I build a tool to solve it. Tools take the repetition; I focus on making the service better.

Experience 4 yr 6 moNow Clush · on assignment at a semiconductor company

// Career 4 yr 6 mo

1. Clushat a semiconductor companynow · 3 mo
2. Tripaid11 mo
3. holich1 yr 11 mo
4. AlphaIgloo1 yr 5 mo

// Projects 4

1. 2026.09 ~handoff-agentOne design handoff → iOS, Android and backend at onceClaude Code plugin · Python MCP serverA Claude Code plugin that builds iOS, Android and the backend at once from a single Claude Design handoff package.39%fewer tokens · 8 runs each on iOS and Android
2. 2026.09 ~ForestA meditation app that mixes five nature soundsSwiftUI · Jetpack Compose · AVAudioEngine · Cloudflare Workers · Hono · D1 · R2A meditation app that mixes five nature sounds — waves, rain, wind, sand and a wood fire — into your own blend.5tracks mixed at once
3. 2026.11 ~nuvoA private photo service that gathers scattered photos in one placeReact · Vite · React Three Fiber · Cloudflare Workers · Hono · R2 · Durable Objects · Hyperdrive · Postgres · Drizzle · Better AuthA private photo service that gathers scattered photos in one place and builds them up together with family and friends.2sources in one timeline · this PC + nuvo
4. 2026.10 ~This portfolioBuilding it is the contentAstro · React · Tailwind CSS · Cloudflare Workers · D1 · KV · Better Auth · ResendA portfolio that shows what I built, why, and how it turned out — instead of a list of tools. Building it is the first project.7phases of design docs