Posted Jul 11, 2026

Blockchain Developer (Solidity, Web3, MERN)

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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). πŸš€ Responsibilities β€’ Develop and deploy smart contracts using Solidity β€’ Build and maintain Web3 integrations (ethers.js / wagmi / web3.js) β€’ Implement wallet connection (MetaMask and similar wallets) β€’ Develop responsive frontend interfaces using React + TailwindCSS β€’ Work with backend APIs using Node.js / Express β€’ Integrate blockchain data with backend systems when needed β€’ Ensure security, efficiency, and scalability of smart contracts β€’ Collaborate with UI/UX and backend developers 🧩 Required Skills β€’ Strong experience in Solidity smart contract development β€’ Experience with Web3 libraries (ethers.js, wagmi, or web3.js) β€’ Solid understanding of Ethereum / EVM ecosystem β€’ Experience with React.js and TailwindCSS β€’ Knowledge of Node.js, Express, MongoDB (MERN stack) β€’ Experience with wallet integrations (MetaMask, WalletConnect) β€’ Understanding of smart contract security best practices πŸ’‘ Nice to Have β€’ Experience with Hardhat or Foundry β€’ Knowledge of DeFi, NFTs, or staking systems β€’ Experience deploying to testnets (Sepolia, Polygon, etc.) β€’ Familiarity with TypeScript β€’ Experience with CI/CD for smart contracts