Yadong

Zhang

Full-Stack Web3 Developer | Solidity + Next.js Live FundMe DApp – Deployed to Sepolia & Base in 48h • Foundry Smart Contract: Chainlink USD pricing, min donation, donor tracking • Next.js 14 + ethers v6 + Tailwind: Instant wallet connect, real-time balance, Owner withdraw • 100% test coverage with `forge test` + mainnet fork, 30% gas optimized Demo: https://frontend-fund-me-chi.vercel.app/ Sepolia Contract: https://sepolia.etherscan.io/address/0x211140a8809524cD8dfE3e2ed85D5d96e8441908 Base Contract: https://sepolia.basescan.org/address/0x0A2F65f50DA5e32fd03569Cda7aF734d049FE0BA 45s Video: https://www.youtube.com/watch?v=sQfaT5TIwK8 Open to: - Solidity MVP / Audit / Frontend Integration - Full-time Remote ($55K–$85K) - Freelance ($800–$2,000 per project)