3 java web developer jobs in London

LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. Developers are encouraged to constantly develop and learn new skills. Pair programming supports continual growth of knowledge and sharing of expertise, alongside regular team rotations ensuring everyone gains first-hand knowledge on all areas of our codebase. Friday afternoons are set aside as personal development time where you can explore a different coding language, research bleeding edge technologies, or play around with one of our environments. There is also regularly scheduled time to improve developer experience and reduce technical debt - directed by developers. Our continuous integration and testing culture allows us to have confidence in our builds and develop quickly. We have over 30,000 acceptance tests running...

Job Description Job Title: Blockchain / DLT Developer Developer Location: Ipswich, London or Remote As a Blockchain Developer at MACH, you will play a central role in designing, building, and deploying distributed ledger and smart contract solutions for our financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain platform) to deliver secure, scalable, and high-performance decentralised applications. Collaborating with cross-functional teams including architects, product managers, and client stakeholders, you will bring deep technical expertise and a proactive approach to solving complex on-chain challenges. Job Requirements Responsibilities include: Design, develop, and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain). Design and implement blockchain-based solutions tailored to the specific requirements of financial...

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...