Decentralized System Engineer

15 hours ago

Bharatpur, Rajasthan, India beBeeBlockchain Full time US$ 90,000 - US$ 1,20,000
Senior Blockchain Developer

We are seeking an expert Backend + Smart Contract Developer to join our team. This role involves designing and building scalable decentralized systems that can grow globally.

Key Responsibilities:
  • Smart Contract Development:
    • Design, develop, and deploy secure smart contracts (Solidity / Rust) 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:
    • Deploy and manage backend services using cloud infrastructure (AWS EC2, Lambda, API Gateway, S3, RDS).
    • 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 cloud infrastructure (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.
  • 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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