Blockchain Web3 Engineer

Job Description

Must Have Technical/Functional Skills

Core Web3 / Blockchain Skills (Must-Have)

• Strong understanding of blockchain fundamentals:
  • Transactions, blocks, gas/fees, wallets/keys, RPC, finality, consensus basics.
• Hands-on experience with smart contracts:
  • Solidity (preferred) and development tooling (Hardhat/Foundry/Truffle/Remix).
• Experience working with EVM-based chains (Ethereum/Polygon/Arbitrum/Optimism/BSC) or enterprise chains (Hyperledger Fabric/Corda/Quorum) depending on project.

Roles & Responsibilities

• Smart Contract Engineering & Web3 Development

  • Design, develop, and maintain smart contracts (Solidity/Vyper or relevant stack) aligned to product and security requirements.
  • Build backend/Web3 components for contract interaction:
    • Transaction orchestration, signature flows, nonce management, gas strategies.
    • Web3 SDK integrations.
  • Develop and manage contract deployment pipelines, including ABI/versioning, migrations, upgrade strategies (proxy patterns), and release coordination.
  • Implement secure patterns for contracts.
  • Support smart contract testing.

• Node Operations & Infrastructure

  • Deploy, configure, and operate blockchain nodes and supporting infrastructure:
    • Full nodes/archival nodes, RPC endpoints, validator nodes (as applicable).
  • Manage node upgrades, chain configuration changes, and incident response for production networks.
  • Implement operational tooling for:
    • Node health checks, RPC performance monitoring, log aggregation, and alerting.
  • Handle blockchain-specific reliability concerns:
    • Re-org handling, finality considerations, peer connectivity, RPC failover, rate limiting.

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