Blockchain Web3 Engineer
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Job Location:
New York City, NY - USA
Monthly Salary:
Not Disclosed
Posted on:
12 hours ago
Vacancies:
1 Vacancy
Job Summary
Job ID: 410999
Job Title: Blockchain Web3 Engineer
Location: New York City NY
Onsite
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
