BLOCKCHAIN DEVELOPER - CITI BANK
SIDRAM TECHNOLOGIES
NOW HIRING: BLOCKCHAIN DEVELOPER CITI BANK Client: Citi Bank Location: New York, NY / Jersey City, NJ Position Type: Full-Time Experience: 10+ Years Role Overview Seeking an experienced Blockchain Developer to design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, blockchain integrations, wallet solutions, and digital asset infrastructure. Must-have Skills Blockchain / Web3 Development Solidity Smart Contracts Ethereum / Hyperledger Besu / Corda or equivalent Java / Spring or Node.js Web3J / Web3JS / Ethers.js / Viem Smart Contract Testing Hardhat / Foundry / Truffle Blockchain Fundamentals Consensus, Transactions, Gas & Wallet Infrastructure ERC-20 / ERC-721 / ERC-1155 / ERC-3525 Event-Driven Architecture / Asynchronous Programming Kafka / RabbitMQ Docker / Kubernetes / CI/CD Cryptography Digital Signatures, Hashing, PKI & Key Management Git / Jira / Jenkins / Helm Preferred / Plus Skills Hyperledger Besu / Fabric / Corda / R3 Layer 2 Polygon / Optimism / zkSync Cross-Chain Interoperability Digital Asset Custody Tokenization / DeFi / TradFi Financial Services / Regulated Industry Experience Agile / Scrum Key Responsibilities Build and integrate Web3 components, smart contracts and blockchain protocols. Develop backend services connecting to public and permissioned blockchain networks. Build, test and audit secure and gas-efficient smart contracts. Implement event-driven architectures for on-chain events and transaction lifecycle management. Support digital asset custody, tokenization and DeFi/TradFi integrations. Collaborate with architects and senior engineers on scalable and secure Web3 infrastructure. Participate in code reviews, testing, documentation and Agile/Scrum delivery. IDEAL CANDIDATE Strong Web3 engineering and backend development background Strong security mindset and knowledge of smart contract vulnerabilities Excellent problem-solving and communication skills Strong understanding of APIs, microservices, data structures and design patterns Ability to work effectively with global, distributed engineering teams #J-18808-Ljbffr
- ...Citi Bank is seeking an experienced Blockchain Developer to design, develop, and deploy Web3 components for its Digital Asset Platform. You will work on smart contracts, wallet solutions, and cross-network integrations, collaborating with global engineering teams. Ideal...Suggested
SIDRAM TECHNOLOGIES
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