java jobs in London

Senior Java Developer (AWS, Microservices) - Travel - Sussex Daily rate: £550 - £700 (inside IR35) Duration: 3 - 6 months Hybrid: 1 - 2 days Start: ASAP My new client is looking for a Senior Java Developer (AWS, Microservices) to join the team on a contract basis. You will play a key role in designing, developing, and maintaining secure, scalable, and...

**Join Zepz: Breaking Down Borders, Together** **Our Meaningful Mission** At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech.Zepz is the power behind WorldRemit...

DescriptionTEKsystems' payments client in London is looking at add a Server-Side API Engineer to their team. This role is a contract until the end of the year with a strong possibility of extension.We are looking for a Server-side Engineer to work on Mobile application Service Layer (Backend for Frontend) that will be used by tens of millions of this...

Macquarie Group in London is seeking a Java Engineer to design, develop, and maintain robust Java applications and microservices supporting confirmations and settlements for multiple asset classes, with real-time data streaming, cloud deployments, and containerisation.You will collaborate on frontend as needed, contribute to system health, and benefit from...

Luxoft Financial Services, part of DXC Luxoft, is seeking a seasoned Java developer to upgrade legacy systems, migrate to stateless microservices, and implement Kafka-based event-driven integrations. The role emphasizes high performance, security, and reliability in a demanding financial services environment.You will work across large-scale distributed...

LexisNexis Risk Solutions is seeking a Senior Software Engineer to design, develop, and deliver scalable Java-based applications using modern cloud-native practices in London. You will collaborate with Product, UX, QA, and engineering teams to build robust applications, mentor engineers, and drive architectural decisions using Spring Boot, Angular/React, and...

JPMorgan Chase seeks a Software Engineer III (Java/Python) to join the Commercial & Investment Banking Emerging Markets Team in London. The role focuses on building, enhancing and delivering secure, scalable market-leading technology products within an agile team, contributing across design, development, testing, and operational stability.You will work with...

Transport for London is seeking a Senior DevOps Developer – Java, Oracle to design and deliver a robust DevOps toolchain. You will drive scalable deployment strategies, mentor junior engineers, and ensure high availability and repeatable delivery across product lines.You will own complex delivery work, guide teams through CI/CD pipelines, and collaborate...

Starling Bank, the UK's leading digital bank, is seeking engineers with 3–4 years of Java experience to join the Getting Paid & Open Banking team. You will build and maintain capabilities enabling businesses to collect payments and connect with third-party providers.Work in a hybrid model with offices in London and other hubs, contributing to Open Banking...

The Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Team Background The Derivatives Credit Risk Technology Team is...

Job DescriptionPut your engineering skills to work on products that matter. You will collaborate with an agile team to design, build, and improve secure, scalable technology. This role is built for growth, giving you hands-on experience across the software development life cycle while strengthening your development and troubleshooting skills. You will learn...

Netcompany is seeking a Managing Architect to lead end-to-end solution definition and delivery across multi-workstream programmes. You will translate complex requirements into executable architectures, validate assumptions with proofs-of-concept, and provide technical leadership throughout the lifecycle.You will own specifications, govern quality and...

Morson Group is seeking a Senior Java Software Engineer to join a fintech-focused team in London. Work on a real‑time payments processing solution using Java 11+, Spring Boot, Kafka and MongoDB, and contribute from design and coding perspectives to deliver scalable, highly available components.You will thrive in an Agile environment with strong emphasis on...

Source Group International is seeking a Senior Tech Lead / Senior Camunda and Java Software Engineer to drive a Camunda to CIBseven migration in a large enterprise. You will architect and develop Java 17+ microservices while mentoring the team and guiding DevOps practices.The role is fully remote, with collaboration across Agile teams to deliver high-quality...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 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. Job Overview The Senior Java Developer is a senior level position...

Outpost Search Ltd. in London is seeking an Infrastructure Engineering Specialist to drive design and delivery across compute, network, and security domains.You will work with virtualization, containers, IaC, and CI/CD, translating architectures into robust, scalable operations while mentoring the next generation of engineers. DV clearance is mandatory; you...

Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for you: Salary to £90kHybrid working (x2 days WFH per week)Pension, Life...

Michael Page is recruiting a Java Engineer for a hybrid role in Central London, where you’ll join a small team of 10 to work on a brand new AI-focused product. You’ll take end-to-end delivery ownership, design scalable server-side Java services, and collaborate with stakeholders to meet deadlines.You’ll apply your Java, Linux, and database skills...

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a dynamic environment where your ideas drive progress. Be part of a team...

Universal Music Group UK is hiring a Senior Developer to design and build web UIs with React/TypeScript and develop backend services in Java Spring. You will work with Kubernetes, Docker, and AWS serverless components while collaborating across agile teams to deliver secure, scalable solutions.The role sits in a cross-functional product team focused on...