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|---|---|---|---|---|---|
Centraprise | New York, NY, United States | $90k - $100k | |||
Ztek Consulting | New York, NY, United States | $120k - $130k | |||
Tata Consultancy Services | New York, NY, United States | $100k - $130k | |||
Swift | United States | $101k - $188k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
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JPS Tech Solutions | United States | $72k - $75k | |||
3METAD | San Jose, CA, United States | $87k - $100k | |||
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Franklin Templeton | Stamford, CT, United States | $134k - $183k | |||
Belmont Lavan | United States | $54k - $87k | |||
Belmont Lavan Ltd | United States | $54k - $87k |
Blockchain/web3 Engineer
New York City, NY
Contract
Job Description:
Must Have Technical/Functional Skills:
Core Web3 / Blockchain Skills (Must-Have)
- Strong understanding of blockchain fundamentals:
o transactions, blocks, gas/fees, wallets/keys, RPC, finality, consensus basics
- Hands-on experience with smart contracts:
o 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