Posted Jul 11, 2026

Blockchain Developer (Solidity, Web3, MERN)

Apply for this role →
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