Blockchain/Web3 Java Engineer - Digital Assets Platform - VP

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Citi is seeking a passionate and skilled   Blockchain/Web3 Java Engineer   to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance. The successful candidate will contribute to the design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure — spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building the next generation of institutional digital finance capabilities. We are looking for someone who brings strong Blockchain engineering fundamentals, a curiosity for emerging blockchain ecosystems, and the ability to bridge decentralized technology patterns with enterprise-grade software standards.

Design, develop, and deploy   Web3 components and integrations for Citi's 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, Solana, Canton, or equivalent) Develop, test, and audit   smart contracts written in Solidity or DAML 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 Collaborate with architects and senior engineers   to contribute to the design of scalable, secure, and resilient Web3 infrastructure Participate in code reviews , providing and receiving constructive technical feedback to maintain high engineering standards Support the integration   of digital asset custody solutions, tokenization frameworks, and DeFi/TradFi bridging components Contribute to technical documentation , including smart contract specifications, integration guides, and architecture notes Stay current   with the rapidly evolving Web3 ecosystem — tracking protocol upgrades, new token standards, Layer 2 solutions, and emerging tooling relevant to institutional use cases Work within Agile/Scrum frameworks , participating in sprint planning, stand-ups, and retrospectives within a distributed global team Help identify and resolve   technical issues across the Web3 stack, escalating where appropriate to ensure delivery quality and timelines Qualifications / Experience Bachelor's degree in Computer Science, Engineering, or a related discipline; MS is a plus 12+ years   of overall software engineering experience, with a strong backend development foundation 3 to 5 years   of hands-on experience in   Web3 and blockchain application development , including smart contract development and blockchain protocol integration 4 to 6 years   of experience with   backend development   using Java/Spring, Node.js, or equivalent enterprise frameworks Proficiency in   Solidity   smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices Hands-on experience with   Web3 libraries   such as Web3J, Web3JS, Ethers.js, or Viem Solid understanding of   blockchain fundamentals   — consensus mechanisms, transaction lifecycle, gas models, wallet infrastructure, and