Job at a glance
DXC Luxoft Financial Services is partnering with a leading UK financial institution to deliver cutting-edge Digital Asset and Web3 solutions. We're looking for an experienced Senior Blockchain Developer to help design and build enterprise-grade digital asset platforms, working at the intersection of traditional finance and blockchain technology. This is an opportunity to contribute to tokenization, digital custody, smart contracts, and next-generation financial infrastructure within a highly collaborative global team.
Key Responsibilities • Design, build and deploy Web3 components including smart contracts, wallet integrations, protocol connectors and event listeners • Develop backend services using Java/Spring and Node.js to integrate with public and permissioned blockchain networks • Write, test and optimise Solidity smart contracts with a focus on security, reliability and gas efficiency • Build event-driven solutions to manage transaction lifecycles, on-chain events and state synchronisation • Support tokenization, digital custody and DeFi/TradFi integration initiatives Required Experience • Strong commercial experience delivering blockchain and Web3 solutions • Hands-on Solidity development experience including smart contract design, testing and deployment • Experience with Hardhat, Foundry, Truffle or similar blockchain development frameworks • Strong knowledge of Web3J, Ethers.js, Web3JS, Viem or related blockchain SDKs • Strong backend development skills using Java/Spring and/or Node.js • Experience designing APIs, microservices and scalable distributed systems • In-depth understanding of blockchain fundamentals, including consensus mechanisms, transaction lifecycles and gas models • Knowledge of wallet infrastructure, private key management and blockchain security principles • Experience with ERC-20, ERC-721, ERC-1155 and tokenization frameworks • Strong understanding of event-driven architectures and asynchronous processing • Experience with Kafka, RabbitMQ or similar messaging technologies • Knowledge of cryptographic principles including digital signatures, hashing and PKI • Experience with Docker, Kubernetes, Helm, Jenkins, Git and CI/CD practices Desired Experience • Digital asset custody platforms • DeFi and TradFi integration projects • Tokenization and blockchain-based financial products • Hyperledger Besu • Canton • Solana • Layer 2 technologies including Polygon, Optimism and zkSync • Cross-chain interoperability solutions • Financial Services or Capital Markets experience Not what you are looking for?
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