2023.04 – 2024.10

CatzeLabs· YooldoFrontend Engineer

Frontend for Yooldo, a blockchain gaming platform that helps Web2 games transition to Web3, plus game onboarding support.

Impact

Onboarded more than 900,000 users onto the platform.
Contributed to up to $150k monthly revenue through NFT purchase and verification UX.
Helped secure investment from Consensys, the company behind MetaMask.
Built eight or more in-house NFT mint pages grossing over 300M KRW.

Projects

Yooldo platform frontend

Platform development, operations, and on-chain event handling.
Transaction-receipt analysis to verify in-game asset acquisition.
Back-office features and a shared UI component library published to npm.

Stack

Frontend: TypeScript, Next.js, TanStack Query, Framer Motion, Storybook
Backend: Node.js, Nest.js, Prisma
Web3: Viem, Wagmi
Infra: Vercel, GitHub Actions