java developer jobs in London

Job Description Role Summary : We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer...

JUXT is partnering with a Tier 1 investment bank on a strategic initiative to build its next-generation FX Risk Platform: consolidating risk management capabilities into a modern, scalable architecture and decommissioning multiple legacy risk applications. This role builds the platform's FX Options end-of-day Official Valuation capabilities, supporting the...

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 Engineer the future of global finance. At Citi, our Tech...

Citi in London seeks an FX Risk Lead Java Developer + AI (VP) to architect and deliver real-time FX risk systems. You will work across the global markets team, leveraging GenAI tooling for development and code reviews, and drive strategic technology choices in a hybrid work environment.You will lead end-to-end delivery of high-performance Java applications,...

A leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses on building and enhancing high-performance...

Location: LondonContract: 12 monthsWorking Pattern: Hybrid - 3 days per week onsitePositions: 3We are recruiting experienced Senior Java Low-Latency Developers to design and develop high-performance trading, exchange connectivity and Direct Market Access platforms.This is a hands-on senior engineering role focused on building resilient, scalable and...

A well-established financial markets firm is seeking a Senior Java Trading Systems Developer to support the continued development of its electronic trading technology.This is a hands-on engineering position focused on building and improving systems used to manage orders and trading activity across multiple markets and venues. The successful candidate will...

Work with cutting-edge tech, lead greenfield initiatives, zero bureaucracy, collaborative culture and stunning office space!Our rapidly scaling FinTech Client is seeking a highly skilled Kafka Engineer/Java Developer to become part of their elite engineering team.You'll join a group of exceptionally talented professionals with experience from top-tier...

Emergn is a technology and management consultancy with a mission to set our clients free. No dependency. No short-term fix. Just teaching them the real cure to their problems, so they can stay ahead of their competitors now and forever.A different kind of consultancy like this needs a different kind of team. One you might be just the right fit for.This is a...

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation journey that will require a...

Understanding Recruitment is seeking Java Developers in London with 3-5 years of Core Java experience. The role is hybrid and based in London.You will work on greenfield projects in a fast-growing FinTech environment, building software from the ground up with a focus on performance and scalability. Exposure to cloud platforms (GCP/AWS) is a plus and...

Java Web Developer – Trading Systems (up to 60K) Quant Capital is urgently looking for a Java developer to join our high profile client. My client is a well known financial connectivity provider for the front office. They create a low latency high volume transaction network for Equity and Fixed Income trades. As such they are a firm driven by technology...

Junior Java / Scala Developer Fintech Quant is urgently looking for a Junior Java / Scala developer to join our high profile client. Our client is a well known algorithmic trading broker based in central London. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed...

Lead Java Scala Developer / PM Yes it’s a start up, yes its bleeding edge, language is irrelevant I want bright technologists who can cut solid code. I offer relocation for strong candidates. Quant Capital is urgently looking for a Lead Java / Scala / Ruby Developerto join our high profile client. Our client is a n established financial data technology...

Team Lead Java Developer – J2EE, Spring, Maven Tomcat Quant Capital is urgently looking for a Java J2EE Developer to join our high profile client. Our client is a brand new investment firm driven by technology. They are well known in the media as solving one of the common problems for the retail investor and in the current climate this is a unique product....

Java Developer– Spring, Hibernate, SQL, Web Get Banking Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a large well known wealth management software business. They have offices globally and were recently voted in the fintech 100. The Java developer will be responsible for product development and...

Description About Methods: Methods is a 100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to...

Methods is seeking a Java / Python Developer to join our UK-based team. You will help manage, build, and design Java applications with Spring Boot, microservices, and system design exposure.The role emphasizes collaboration with stakeholders, delivering market risk applications, and contributing to a robust tech landscape. You will operate within an Agile...

Design, develop, and maintain the mobile service layer (Backend-for-Frontend) supporting large-scale mobile applicationsDeliver secure, reliable, and high-performing Server Side APIs for Real Time consumer experiencesWrite clean, maintainable code and contribute to code reviews, refactoring, and continuous improvement initiativesCollaborate with mobile,...

A financial technology firm in Greater London is seeking a Java Swing Developer to enhance its high-performance desktop trading platform. This role includes maintaining a Java Swing-based UI and transitioning the architecture to microservices. The ideal candidate will have strong Core Java skills, experience with multithreaded architectures, and familiarity...