java swing developer jobs in London

**Low Latency Java Engineer**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that...

Job Description Full-Stack Javascript Developer – Central London Our Client is urgently looking to recruit a Full-Stack Java Developer with very strong Javascript development expertise. You must have at least 3 to 5 years experience as a Full-Stack Developer with Javascript fundamentals, design patterns, and OOP – Object Oriented Programming. So you must...

## Senior Software Engineer - (Java/AI) LifecycleApply: City of London - United Kingdom: Full time: Posted Today: End Date: October 26, 2026 (20 days left to apply): R\\_17941**Job Title**Senior Software Engineer - (Java/AI) Lifecycle**Job Description****So, who are we?**IG has been at the centre of retail trading and investment since 1974, when we...

Software Engineer (Open Source Contributor) Position: Software Engineer (Open Source Contributor) Type: Contractor Compensation: $50–$100/hour Location: Remote About the Opportunity We’re looking for experienced software engineers and open-source contributors to help evaluate and improve next-generation AI systems. In this role, you’ll create...

Elsevier is seeking a Senior Software Engineer I to design and implement scalable Java and JavaScript applications. You will join the Identity & Access Management team, contributing to authentication and authorisation infrastructure on AWS ECS and EKS.Expect challenging research, design, mentoring, and collaboration with product and customers to translate...

**Description** Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We're a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company....

5 Days onsite (London) must.Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management.Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL. Understanding of containerised deployment – Kubernetes, ECS on...

TP ICAP seeks a Development Team Leader in London to oversee development on client connectivity platforms. The role involves leading a team, managing software projects, and collaborating with various stakeholders. Essential qualifications include senior-level Java and FIX Protocol experience, leadership skills, and teamwork. TP ICAP fosters an inclusive...

**Summary** Do you enjoy working on the sort of ground-breaking product that lifts the bar for an entire industry? Smart Communications has done it before, we're doing it again, and we're looking for an experienced full stack developer to help. **About Smart Communications** Smart Communications is a leading customer engagement technology provider for...

We are seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform.The position offers a dynamic working environment embedded closely with global trading desks. The ideal...

Contract: 12 Months Location: Canary Wharf, London – 3 days onsite / 2 days WFH We are currently seeking 2 experienced Senior Java Developers to join a major retail banking transformation programme within a leading financial services organisation. You will be working on a large-scale payments and accounts platform, helping modernise critical banking...

Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?About the teamYou will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier's global product suite. We build and operate a highly...

**Senior Software Engineer I (Java & JavaScript)****Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?****About the team:**You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. We build and...

For our Innovation & Technology department in London we are looking to hire a: Algorithmic Trading Engineer, full time, London Innovation & Technology @ Berenberg In an era where digitalisation and modern IT infrastructure is revolutionizing banking, we are shaping a technology-driven bank in which you as an IT professional will work closely with our...

Provntalent is seeking a Senior Java Trading Systems Developer to advance its electronic trading technology. You will design, build and optimize Java-based trading systems, impacting order routing, execution and lifecycle processes across multiple markets.The ideal candidate brings deep experience in electronic trading or capital markets, strong Java...

We’re hiring experienced Java Engineers for a major technology programme with one of the UK’s leading broadcast and media organisations. You’ll join a high-performing engineering team building and scaling event-driven, cloud-native services, working with modern technologies including Java, Kafka, Kubernetes and Docker. The role You’ll be hands-on...

London Stock Exchange Group (LSEG) Information is seeking a Lead Java Engineer to join the CDSClear Risk Development team. You will own core risk-engine components, translate analytic requirements into scalable production systems, and drive architectural evolution in a regulated financial services environment.You will lead design and implementation across...

Low Latency Java EngineerEngineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that...

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...

## FX eTrading Java Developer - VPApply: Hybrid: London United Kingdom: Full time: Posted Today: 261000279Job Description**About Citi**As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we...