Are you building a modern web application and need secure, seamless payment processing? I specialize in payment gateway integration for both traditional and blockchain-based systems, combining years of backend and frontend experience.
✅ What I Offer:
Stripe, PayPal, recurring subscriptions, etc.
Crypto payment gateway integration (ETH, USDT, BNB, BTC, and custom ERC20/SPL tokens)
Wallet integration: MetaMask, WalletConnect, Coinbase Wallet
Smart contract integration using Web3.js / Ethers.js
Node.js backend APIs to handle secure payment transactions
React.js UI components for payment checkout
Webhook handling for Stripe events (invoice paid, failed, etc.)
Tokenomics setup for custom tokens if needed
Testnet and Mainnet deployment
Full stack debugging and security audit (optional)
🔹 Tech Stack Expertise:
Frontend: React.js, Next.js, Tailwind, Stripe Elements
Backend: Node.js, Express.js, REST APIs
Blockchain: Web3.js, Ethers.js, Solidity (for contract calls)
Payments: Stripe, Coinbase Commerce, NOWPayments, Utrust, etc.
Databases: MongoDB, PostgreSQL, Firebase
🔹 Why Choose Me?
100% secure and tested integration
Full documentation and support
Clean code with modern development practices
Fast delivery and clear communication