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Centraprise Web3career · Posted 1mo ago

Blockchain Web3 Engineer

new-york, united-states, NY New York US

engineer blockchain ethereum hardhat
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Indexed description

Blockchain Web3 Engineer

New York City (Complete Onsite)

Full time Permanent


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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