Blockchain Developer (Solidity + Web3 + MERN Stack)
We are looking for an experienced Blockchain Developer to join our development team and work on decentralized applications (DApps) and smart contract-based systems. You will be responsible for building and integrating blockchain-based features into modern web applications using Solidity, Web3 technologies, and MERN stack (React, Node.js, Express, MongoDB). Responsibilities - Develop and deploy smart contracts using Solidity - Build and maintain Web3 integrations (ethers.js / wagmi / web3.js) - Implement wallet connection (MetaMask and similar wallets) - Develop responsive frontend interfaces using React + TailwindCSS - Work with backend APIs using Node.js / Express - Integrate blockchain data with backend systems when needed - Ensure security, efficiency, and scalability of smart contracts - Collaborate with UI/UX and backend developers Required Skills - Strong experience in Solidity smart contract development - Experience with Web3 libraries (ethers.js, wagmi, or web3.js) - Solid understanding of Ethereum / EVM ecosystem - Experience with React.js and TailwindCSS - Knowledge of Node.js, Express, MongoDB (MERN stack) - Experience with wallet integrations (MetaMask, WalletConnect) - Understanding of smart contract security best practices Nice to Have - Experience with Hardhat or Foundry - Knowledge of DeFi, NFTs, or staking systems - Experience deploying to testnets (Sepolia, Polygon, etc.) - Familiarity with TypeScript - Experience with CI/CD for smart contracts