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