Job Description

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

Job Tags

Full time, Contract work

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