Fengquan Xian

@fengquanxian

Senior Java Spring Boot Developer specializing in Payment and Web3

China

English, Chinese

About me

Hi, I'm Fengquan — Senior Full-Stack Developer with 10+ years in Java/Spring Boot and 5+ years in Vue.js. I help startups ship backends fast, focused on PAYMENT INTEGRATION and WEB3. Backend: Java, Spring Boot, Redis, MySQL Frontend: Vue 3, TypeScript Payment: Stripe, PayPal, Alipay, WeChat Pay Web3: USDT/USDC, ETH/BSC/Polygon, MetaMask, WalletConnect Shipped 2 Web3 platforms (USDT-pegged stablecoin + card-issuing). What you get: - Clean, documented code - Reply within hours (GMT+8) - Sandbox-first delivery - Free post-delivery support Message me BEFORE ordering. Let's ship it!... Read more

Skills