full-stack java engineer legacy modernization cloud jobs in London

5 Days onsite (London) must. Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management. Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL. Understanding of containerised deployment – Kubernetes, ECS on...

Our client, a national technology company, is seeking a skilled Full Stack Java Engineer to support high-quality engineering across a modern, scalable software platform. This role sits within a fast-paced, collaborative environment and offers strong exposure to architecture, modern tooling and complex technical challenges.Key technical duties to...

DescriptionJoin a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with real...

About this roleWithin the Aladdin Product Group – Private Markets, we are hiring a Senior Software Engineer to work on our Private Markets application suite. The position is based with our London team and operates as part of a broader team distributed across several countries worldwide. This team works with other London based agile teams to build...

DescriptionJob Summary We have an exciting and rewarding opportunity for an experienced Software Engineering Leader to join JPMorgan Chase. As a Lead Software Engineer within Asset & Wealth Management Risk Technology, you will lead the design, development and evolution of a business-critical risk analytics and reporting platform used by Risk managers and...

Elliott Moss Consulting Pte. Ltd. is seeking a highly motivated Full Stack Developer to join the Agile development team and deliver end-to-end cloud-native solutions. The candidate should design, develop, deploy, and support scalable applications using Node.js and React.js.Responsibilities include containerized deployments with Docker and AWS ECS (Fargate),...

Join a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with real...

Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. We're trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and communities....

DescriptionBuild real, production-grade software that powers our global banking businesses. At JPMorganChase, we believe great engineers are made through meaningful challenges, strong mentorship, and a culture that rewards curiosity and craftsmanship. Here, you'll work alongside experienced engineers who are passionate about clean code, scalable...

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive terms.You will design and build scalable enterprise applications, deliver secure backend services in Java/Spring...

A leading technology company in the UK is seeking an Application Developer specializing in Azure Cloud FullStack development. You will contribute to cloud-native applications using Azure services and collaborate with experienced professionals. This role requires expertise in developing rich UI applications and scalable backend microservices. The ideal...

Location Our Full Stack Software Engineer will be an integral part of our R&D team. This role is based remotely as a full-time employee in the UK, Ireland, Estonia, the Netherlands, Sweden and Israel. We are also open to contractors in Eastern Europe and Portugal. Who We Are DoiT is a global technology company that works with cloud-driven organizations to...

Adecco in Wembley, London, is seeking a Lead Modernization Engineer (Java/Node.js) to join on-site, five days a week. You will drive modernization initiatives, own core backend services, and collaborate with a Principal Architect on cloud-native projects.Role focuses on Java, Spring Boot, microservices, Azure services, and robust CI/CD with containerization....

Appvia is seeking Senior Full Stack Engineers (Java/TypeScript) to join a growing Software Engineering practice on a major transformation programme. This hands-on, client-facing role involves designing and delivering modern software in a greenfield venture within a brownfield ecosystem, introducing new architecture, tooling, and standards for long-term...

Capgemini is seeking a Lead Java Developer in London to architect and deliver enterprise-scale full stack solutions within the Cloud & Custom Applications practice. You will collaborate with architects, delivery teams and clients to build secure, scalable applications and modern APIs, while embracing AI-enabled approaches and continuous learning.Hybrid work...

🚀Senior Full Stack Engineer – Java/Kotlin&React 📍London | Hybrid 🏦Tier 1 Investment Bank | Prime Finance We are partnering with a Tier 1 investment bank on a major, multi-year transformation of its Prime Finance Equities platform. The Equity Accelerator programme is re-engineering core trading and post-trade systems, replacing legacy...

Capgemini is seeking a Lead Java Full Stack Developer to design, develop, test and deploy scalable enterprise applications across frontend and backend technologies in an Agile environment. The role combines hands-on coding with architecture in a hybrid work model.You will lead development of responsive web apps using HTML, CSS, JavaScript, React, Node.js,...

Starling is recruiting a Full Stack Engineer (ML Ops) in London to join our data-driven fintech teams. You will design and build scalable backend services in Java and robust frontends with React/Redux, deployed on AWS, with a strong focus on reliability and performance.This hybrid role values ownership, collaboration and practical problem solving. We offer a...

Neo4j in London is seeking a skilled Full-stack Software Engineer to join the Graph Engine team behind Virtual Graph. You’ll work primarily in React on the UI while contributing to backend systems, cloud connectivity, and data integration across Java, Scala, Go, and SQL.You’ll translate product goals into robust, scalable features, mentor colleagues, and...

We are looking for an experienced Full-Stack Developer to design, develop, and maintain scalable web and mobile applications. The role involves building modern user interfaces using React or React Native, developing robust backend services using Java, and ensuring seamless integration between front-end and back-end systems. Key Responsibilities •  ...