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Dev Technosys HR

Blockchain Developer

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  • Posted 3 days ago
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Job Description

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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Job ID: 135385449

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