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Blockchain Developer

KPG99 INC
KPG99 INCUSD 63k–100kvia web3.careerPosted 5/12/2026
New YorkNYUnited Statesdevblockchainethereumhardhatnode
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About the role

Blockchain Web3 Engineer – Full Time | OnsiteLocation: New York, NYJob Type: Full-Time (FTE)Work Mode: 100% OnsiteEducation: Bachelor’s Degree in Computer Science or related field requiredJob DescriptionWe are seeking a highly skilled Blockchain Web3 Engineer with strong experience in smart contract development, blockchain infrastructure, and Web3 integrations. The ideal candidate will have hands-on expertise with EVM-based chains, blockchain node operations, and secure smart contract engineering.Must-Have Technical SkillsCore Web3 / Blockchain Skills Strong understanding of blockchain fundamentals including: Transactions Blocks Gas fees Wallets and private/public keys RPC architecture Finality Consensus mechanisms Hands-on experience with smart contract development using: Solidity (preferred) Hardhat Foundry Truffle Remix Experience with EVM-based blockchain networks such as: Ethereum Polygon Arbitrum Optimism Binance Smart Chain (BSC) Experience with enterprise blockchain platforms is a plus: Hyperledger Fabric Corda Quorum Preferred Qualifications Strong debugging and troubleshooting skills in distributed systems Experience with CI/CD pipelines for blockchain deployments Understanding of blockchain security best practices Excellent collaboration and communication skills

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