Blockchain Developer

Dev Technosys HRIndia6 days ago

Full-timeEngineering, Information Technology

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The ideal candidate should possess a strong background in blockchain technology, specifically Ethereum, along with strong full-stack development experience. This role involves designing, developing, and maintaining Ethereum-based applications and integrating blockchain solutions with modern Web3 frontend and backend systems.

Key Responsibilities

Design, develop, and deploy blockchain-based solutions using the Ethereum platform.
Build secure and scalable Smart Contracts using Solidity.
Develop interactive DApps and user interfaces using React.js.
Integrate blockchain functionality using wagmi, ethers.js, viem, and/or web3.js libraries.
Build backend microservices/APIs using Node.js/NestJS to support blockchain operations.
Connect smart contracts with frontend and backend systems.
Implement wallet connection flows (MetaMask, WalletConnect, etc.) using wagmi/Web3 tooling.
Follow best practices for smart contract security, deployment, and version control.
Collaborate with cross-functional teams to integrate blockchain with existing products.
Stay up to date with the latest advancements in Ethereum, Layer-2 networks, and Web3 tools.

Required Qualifications

Bachelor’s degree in Computer Science, Engineering, or relevant field.
Minimum 2 year hands-on experience with Ethereum blockchain development.
Strong proficiency in Solidity and Smart Contract development.
Practical experience with React.js for front-end DApp development.
Backend development experience using Node.js or NestJS.
Strong knowledge of ethers.js, web3.js, wagmi, and viem for Web3 integrations.
Familiarity with Ethereum development tools like Hardhat, Truffle, Remix, or Foundry.
Experience working with wallet providers, Web3 authentication, and RPC providers (Infura, Alchemy, etc.).
Deep understanding of blockchain architecture, EVM, transactions, gas, events, and security.
Problem-solving mindset and ability to work independently or within a team.
Good communication skills to simplify complex blockchain concepts for non-technical stakeholders.

Nice To Have (Preferred Skills)

Experience with DeFi protocols, NFT ecosystems, or token standards (ERC-20, ERC-721, ERC-1155).
Knowledge of Layer-2s (Polygon, Arbitrum, Optimism, Base).
Familiarity with IPFS, TheGraph, Moralis, or third-party blockchain APIs.
Smart contract security testing and audit tools (Slither, MythX, Foundry/Hardhat testing).
Experience working with CI/CD pipelines, Docker, and Git workflows.

Skills: skills,blockchain,solidity,node.js,ethereum,communication

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