Blockchain Developer (Solidity, Web3, MERN)

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

1. Develop and deploy smart contracts using Solidity
2. Build and maintain Web3 integrations (ethers.js / wagmi / web3.js)
3. Implement wallet connection (MetaMask and similar wallets)
4. Develop responsive frontend interfaces using React + TailwindCSS
5. Work with backend APIs using Node.js / Express
6. Integrate blockchain data with backend systems when needed
7. Ensure security, efficiency, and scalability of smart contracts
8. Collaborate with UI/UX and backend developers

🧩 Required Skills

1. Strong experience in Solidity smart contract development
2. Experience with Web3 libraries (ethers.js, wagmi, or web3.js)
3. Solid understanding of Ethereum / EVM ecosystem
4. Experience with React.js and TailwindCSS
5. Knowledge of Node.js, Express, MongoDB (MERN stack)
6. Experience with wallet integrations (MetaMask, WalletConnect)
7. Understanding of smart contract security best practices

💡 Nice to Have

1. Experience with Hardhat or Foundry
2. Knowledge of DeFi, NFTs, or staking systems
3. Experience deploying to testnets (Sepolia, Polygon, etc.)
4. Familiarity with TypeScript
5. Experience with CI/CD for smart contracts