java jobs in London

RE Partners in London seeks an experienced and opinionated Java Developer to join the high-performing engineering team, building low-latency, high-throughput payments systems.You will design scalable real-time services using Core Java, Spring Boot, and RESTful APIs, while mentoring engineers and shaping architecture.This hybrid UK role offers opportunities...

Vallum Associates is seeking a senior Java architect to design, develop, and optimize distributed systems and event-driven architectures for real-time data processing. You will implement solutions using Java 21, Spring Boot, Flowable, and cloud-native technologies, and build streaming platforms with Flink and Kafka.You will apply CQRS and Event Sourcing...

A leading technology firm in the United Kingdom is seeking a Full Stack Developer to join their high-performance team. You will design and build essential applications supporting global trading activities. The ideal candidate has at least 3 years of leadership experience in the finance sector and a solid understanding of financial products. This role offers...

Job TitleApplication Engineer (Angular, Java)The RoleYou'll be joining the Europe FAS engineering team responsible for building the digital capabilities that power client onboarding across Vanguard Europe. The team creates automated, seamless experiences that make it easy for FAS clients to do business with Vanguard, from prospect journeys and lead...

Overview Base pay range: Direct message the job poster from Caspian One. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Job title and location Java & low-latency talent specialist | Financial technology markets | FX, Equities & Rates | Delivery Consultant at Caspian One Location: London, UK Business...

Job DescriptionAre you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions?A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke...

Job Description We’re looking for Java Developers with experience building low-latency systems to join us on a high-performance trading and real-time data project, for a major financial institution. You’ll work on mission-critical applications where performance, scalability, and reliability truly matter — the kind of systems that power global trading...

SmartChoice are supporting a data platform programme for a global financial services organisation and require a number of senior backend (Java) developers to join on a 6 month contract. In this role you will be responsible for: Design and implement core functionality within Data Fabric backend services. Develop and enhance rule definitions used for policy...

The Role Role: Principal / Senior Java Developer – Elite FinTech Rate:Up to£750 per day Location:London Working Pattern:Hybrid Contract:Contract They are looking for an exceptionalPrincipal / Senior Java Developerto join a high-calibre engineering environment, working alongside some of the industry's strongest developers, architects and technical...

Role: Software Developer (Entry-Level)Where: London, United KingdomType: On-SiteThe roleOn behalf of a well-established fintech organisation, we are supporting the search for a motivated entry-level Software Developer to join their front-office engineering team in London. This opportunity is ideal for a recent graduate or early-career engineer looking to...

RequirementsProven experience as a Principal Java Engineer in backend-heavy environments in teams having multiple levels of engineering,Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut. Kotlin experience is a bonus. If the applicant does not have experience they must show willingness to learn Kotlin,Hands-on knowledge...

Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. **Role Overview** TP ICAP are looking for a Senior Java Developer delivering low‑latency, highly available trading system components with deep expertise in...

Location: UK (Hybrid / Onsite as required) Experience: 2–5 years Role Type: Fixed Term Contract Overview We are building a modern Data Fabric platform that enables the ingestion, transformation, and serving of large volumes of data as high‑quality, reusable data products for analytics, reporting, and operational use cases. The platform operates across...

Role OverviewTP ICAP are looking for a Senior Java Developer delivering low‑latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‑time messaging. In this role, you will be responsible for designing, building, and optimising mission‑critical trading services across multiple asset...

Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Build scalable backend solutions that help shape the future of financial services. The Role Capco is growing our Engineering team, and we're looking for experienced Principal Backend Engineers with strong Java skills and a passion for delivering innovative solutions in...

We have partnered with an Investment Bank in supporting them in their search for experienced Low Latency Java Developers to join their critical Front Office Algo and eTrading projects across a variety of different asset classes. What you'll be doing: Design/develop high performance, low-latency applications for essential systems Focus on optimising...

ROLE PROFILE CDSClear is responsible for clearing Credit Default Swap (CDS) indices, single names and options across European, US and Asian markets. ROLE PROFILE CDSClear is responsible for clearing Credit Default Swap (CDS) indices, single names and options across European, US and Asian markets.Risk is a core capability of the service, supporting intraday...

Hunter Bond is seeking a mid-level Software Developer to join its engineering team in London. The role focuses on building production-grade systems with ownership over key components that directly impact revenue.You will work closely with traders and product teams to deliver robust, scalable software in a fast-moving fintech environment. The ideal candidate...

IG Group is seeking a Senior Software Engineer for their Brokerage Services team to integrate AI into engineering processes. You'll build AI-assisted tools and enhance automation in coding and testing.Ideal candidates will have strong Java skills, experience in test-driven development, and an appetite for automation. A hybrid work model is offered, with...

A leading software development company in London is seeking a Senior Java/Kotlin Engineer to join their high-impact product engineering team. In this hybrid role, you will design scalable backend services and influence technical direction. Ideal candidates will have extensive experience with Java/Kotlin, AWS, and distributed systems. You will benefit from a...