Senior Blockchain Developer

4 days ago

Vellore, Tamil Nadu, India beBeeBlockchain Full time ₹ 10,00,000 - ₹ 20,00,000

Blockchain Architect

We are seeking an experienced Blockchain Architect to design and build cutting-edge decentralized systems that scale globally. As a key member of our innovative Web3 team, you will be responsible for architecting, developing, and deploying secure smart contracts for Ethereum, EVM-compatible chains, and other L1/L2 networks.

Key Responsibilities:

  • Architect and develop secure smart contracts for Ethereum, EVM-compatible chains, and other L1/L2 networks.
  • Conduct in-depth testing, auditing, and gas optimization.
  • Backend Engineering & Blockchain Architecture: Design high-performance backend systems and scalable blockchain architectures.
  • Build and maintain APIs, node integrations, and indexing services (e.g., The Graph, Alchemy, Infura).
  • Cloud & Infrastructure (AWS): Deploy and manage backend services using AWS (EC2, Lambda, API Gateway, S3, RDS) and cloud best practices.
  • Implement CI/CD pipelines, containerization (Docker, Kubernetes), and monitoring solutions.
  • Security & Optimization: Ensure system security, resilience, and gas optimization.
  • Apply best practices for mitigating vulnerabilities (reentrancy, overflow, etc.).
  • Collaboration & Ownership: Work closely with frontend, DevOps, and product teams to deliver robust end-to-end blockchain products.
  • Take complete ownership from architecture to deployment.

Must-have Qualifications:

  • 4+ years in backend development and 2+ years in smart contract development.
  • Deep understanding of Ethereum, EVM architecture, L2 scaling solutions, and DeFi/NFT standards (ERC20, ERC721, ERC1155).
  • Proficiency in Solidity, JavaScript/TypeScript, Node.js, and at least one systems language (Go, Rust, or C++).
  • Strong experience in blockchain solution architecture for scalable dApps.
  • Mid-level experience with AWS (EC2, Lambda, API Gateway, S3, RDS).
  • Familiarity with common smart contract vulnerabilities and mitigation strategies.
  • Proven ability to deliver secure, scalable, production-ready blockchain systems.

Preferred Qualifications:

  • Experience with Hardhat, Foundry, Truffle, Web3.js / Ethers.js.
  • AWS DevOps experience for blockchain-based apps, including CI/CD pipelines and container orchestration.
  • Cross-chain development and interoperability protocol expertise.
  • Knowledge of zero-knowledge proofs (ZK-SNARKs/STARKs).
  • Experience with audited DeFi protocols.
  • Familiarity with L2 rollups, bridges, and advanced blockchain scaling techniques.
  • Exposure to NFTs, DeFi mechanics, and modern blockchain infrastructure.

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