Centraprise

Blockchain Web3 Engineer

Centraprise

41 days ago

## Blockchain Web3 Engineer **Location:** New York City (Complete Onsite) **Employment Type:** 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, and 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. *When applying, mention the word CANDYSHOP to show you read the job post completely.*