java software developer jobs in London

Job Description Transform your career by enhancing and migrating our trade processing platform to a cloud-native code-base. As a Software Engineer at JPMorgan Chase within Investment Banking, you play a crucial role in an agile team dedicated to enhancing, building, and delivering trusted, market-leading technology products that are secure, stable, and...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Corporate Technology, youare an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way....

We have an opportunity to impact your career and provide an adventure where you can push the limits of what’s possible. Join a team that values innovation, collaboration, and continuous improvement. You’ll help build trusted technology products that support meaningful business outcomes. You’ll grow your technical leadership and influence how we design,...

Java Developer - Back Office ChangeCity of London London (Hybrid - 3 days in office) | Contract - 12 months | Up to £700/day (Inside IR35)A well-established investment bank in the City is looking for a Java Developer to join its Back Office Change function, focused on modernising a range of FIS-based back and middle office systems. You'll be working...

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 Job Description About Citi As the world's most global...

Java / Scala DeveloperQuant is urgently looking for a 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 with an open dress code. This...

C++ Developer Prop TradingUp to 85,000 + bonus and benefitsQuant Capital is urgently looking for a C++ Developer to join our high profile client in their main development team.Our client is well known tech driven trading firm, they provide software to the market and also prop trade.The most important part of their product will be the enterprise-grade...

Role ProfileThe successful candidate for the Engineer, Post Trade role, will be working with the Director Technical Delivery Solution and Delivery, will form part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for LSEG.  This opening requires a candidate who takes great pride in delivering...

Team: Market DataPosition Overview:The Market Data team provides market data services to users across the firm. We work closely with exchanges, vendors, and stakeholders to implement live market data connectivity for trading and historical market data for research. As part of the newly established Market Data Integration team, we are looking for experienced...

Please only apply to the one job you feel best fits your skillset and experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity.Position Overview:Front-end developers at Squarepoint are instrumental in enhancing user experience on our sophisticated research and trading platforms. You will use...

Job Reference: NJ0227Date Posted: 1 October 2026Recruiter: Nexus JobsLocation: LondonSalary: 60,000 to 80,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionSenior Calypso Software Developer - LondonOur Client is seeking a Senior Calypso Software Developer with 3 to 5...

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - ServicesAbout this roleCapital One’s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our...

Position Overview:We are seeking an experienced Python developer to join our Alpha Data team, responsible for delivering a vast quantity of data served to users worldwide. You will be a cornerstone of a growing Data team, becoming a technical subject matter expert and developing strong working relationships with quant researchers, traders, and fellow...

C++ Engineer Options Market Making110,000 + Benefits and bonusQuant Capital is urgently looking for a C++ Engineer to join our high profile client.Our client is a well known global High Frequency Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record).This is a...

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced technical...

Front office Software Engineer – Algo Trading, C++/C#Quant Capital is urgently looking for talented Front office Software Engineer to join our high profile client.Our client is a well-known algo-trading technology and agency brokerage/execution business. They are known in the market for some of their best-in-class services and products. They are well...

Please only apply to the one job you feel best fits your skillset and experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity.Position Overview:kdb+/q developers at Squarepoint work closely with researchers and traders to design, implement, test and maintain our service-oriented kdb+...

Accepting applications until: 16 October 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery at scale. This role...

Java DeveloperUp to 90,000Heathrow with Remote workQuant Capital is urgently looking for a Java Developer to join a pioneering tech start-up.Our client is an is an innovative financial technology and middle and back operations provider. By combining over 16 years of maintaining the highest level of service with the latest technology and industry innovation,...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology...