java jobs in London

Founded in 2011, Fasanara is a global asset manager and technology platform. We manage c. USD 6 billion AUM (as of December 31, 2025) in Fintech strategies on behalf of pension funds and insurance companies in Europe and North America. With c.110 employees globally, we are a pioneer investor in Fintech Lending, enabling Real Economy Impact. Fasanara manages...

Talan is looking for a talented Java Developer with React experience to join our team delivering cutting‑edge Front Office solutions within Global Markets environments. You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms, directly supporting front‑office users and business stakeholders across capital...

Job Location: London, UK (4 days per week from office) Job Type : Contract (6 months ) / Permanent Role Summary Seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms,...

As a Senior Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from concept designs to deploying and implementation, but also gain production experience. You'd be a great fit if you are a reliable...

£90k, 20% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record)....

We are looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK.This is a hands-on senior engineering role focused on developing scalable backend systems, improving platform...

Job Role: Senior Java ArchitectJob Location: London, UK (4 days per week from office)Job Type : Contract (6 months ) / PermanentRole SummarySenior Java Engineering Architect | Banking, Payments & AI EngineeringSeeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role...

OverviewBGC Group Greater London, England, United KingdomJava Software EngineerBGC Group Greater London, England, United KingdomBuilt upon the foundation of cutting edge tech and exceptional talent, BGC Partners is a pioneering global brokerage and financial technology company servicing the financial markets. BGC is agile and dynamic in its approach,...

Job SummaryMid / Senior Java Web EngineerA leading global financial markets infrastructure client is looking to hire a talented Java Engiener on a long term contract in London (City - 3 days onsite pw)The roleJoin a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and...

Our banking client is looking for an experienced Java / Spring Boot Engineer to join a high-performing technology team, working on the development and enhancement of critical banking applications and services.The successful candidate will have strong experience building scalable, secure and high-performance Java applications, with a focus on Spring Boot,...

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 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 OverviewEngineer the future of global finance. At Citi, our Tech team...

Hybrid - 1 day per month in London office We’re looking for an experienced Java Developers to join a fast-paced engineering team on an initial 6-month contract (Outside IR35). You’ll be contributing to the development and enhancement of scalable backend systems in a collaborative, delivery-focused environment. Responsibilities Design, develop, and...

Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software...

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! Java Software Developer – Sports betting Hedge fund startup - London *Please note this role cannot sponsor. Please do not apply if you are...

The Wissen team continues to expand its footprint in the USA, Canada, UK, Australia, and India. More openings to come as we continue to grow the team!Please read below for a brilliant career opportunity.Title: Associate/AVPLocation: London, UK (Day 1 Onsite/Hybrid) – FulltimeMode of Work: 3 days/week onsite requiredRequired Experience: 5+ yearsPosition...

We’re looking for a Java Swing Developer to join a team working on a high-performance desktop trading platform. Working on a mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich in functionality, handles heavy loads with low latency, and underpins key trading and sales workflows.You’ll help maintain and...

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underpins a wide range of analytics and operational...

Senior Java Engineer – Financial ServicesAre you a strong, hands-on Java Engineer with experience building complex, high-performance systems within Banking or Financial Services?We're hiring on behalf of a leading FinTech consultancy that designs and delivers business-critical technology for some of the world's largest banks and financial...

Tech Stack: Java and low-latency, JVM engineering, FX, eFX, Crypto, hedging and risk-management systems, Aeron, FIX connectivity, Linux, Multithreading,Harrington Starr have partnered with an innovative to Software Developer specialising in Crypto, FX and eFX currently developing high-performing trading systems. We’re looking for a skilled Java or Quant...

TrueNorth® is seeking backend and platform engineers to develop critical digital services. You will work on scalable, cloud-based microservices, API-driven applications and automated testing within agile delivery teams.You'll contribute to CI/CD, best practices in engineering, and build resilient cloud-native solutions while collaborating across...