Blockchain Developer

7 days ago


Kolkata, West Bengal, India Red Apple Technologies Full time ₹ 12,00,000 - ₹ 36,00,000 per year
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Blockchain Developer
Experience:
  • 3 years
Job Location:
  • Kolkata
Role:
  • Blockchain Developer
Industry Type:
  • IT-Software, Software Services
Functional Area:
  • IT Software Development
Employment Type:
  • Full Time, Permanent
Job Description:
We are seeking an experienced Blockchain Developer with a strong background in designing, developing, and implementing decentralized applications (dApps) and smart contracts. The ideal candidate will have at least 3 years of hands-on experience with blockchain technologies such as Ethereum, Solidity, , or similar frameworks.
Qualification:
B.Sc. / B. E / B. Tech / M. E / M. Tech in Computer Science or Electronics and Communication / MCA / or relevant experience / 3 years of development experience in blockchain.
Key Responsibilities:
  • Design and develop decentralized applications and smart contracts using Ethereum/Solidity or other blockchain platforms.
  • Build AI-enhanced blockchain solutions, such as AI-driven fraud detection and blockchain-based recommendation systems.
  • Work with Web3 libraries and blockchain protocols to connect dApps to smart contracts.
  • Collaborate with front-end and back-end teams to integrate blockchain-based functionalities.
  • Design token omics models for DeFi and GameFi applications.
  • Ensure the security and scalability of blockchain solutions.
  • Develop secure and gas-efficient smart contracts, performing audits to prevent vulnerabilities.
  • Participate in code reviews, testing, and debugging of smart contracts and dApps.
  • Stay up to date with the latest developments in blockchain and crypto technologies.
Requirements:
  • 3+ years of experience in developing blockchain applications.
  • Proficiency in Solidity, , , Truffle, Hardhat, or similar tools.
  • Experience in Ethereum or other blockchain platforms like Polygon, Solana, BNB Chain.
  • Understanding of consensus mechanisms (PoW, PoS, etc.), cryptographic algorithms, and data structures.
  • Familiarity with smart contract security best practices.
  • Experience with REST APIs, JSON-RPC, and blockchain node integrations.
  • Good understanding of Git, CI/CD, and Agile methodologies.
Nice to Have:
  • Experience with Layer 2 solutions (e.g., Optimism, Arbitrum, zkSync).
  • Familiarity with IPFS, The Graph, Chainlink oracles.
  • Knowledge of backend development with , Python.
  • Contributions to open source blockchain projects or dApps.

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