Blockchain Developer

Key

Responsibilities

Design, develop, and deploy Web3 components and integrations for a Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors. Build and maintain backend services that interface with public and permissioned blockchain networks (e.g., Ethereum, Hyperledger Besu, Corda, or equivalent). Develop, test, and audit smart contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency. Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services. Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronization.

Qualifications

/ Experience Bachelor's degree in Computer Science, Engineering, or a related discipline; MS is a plus. 8+ years of overall software engineering experience, with a strong backend development foundation. 2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration. 3 to 5 years of experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks.