java swing developer jobs in London

We are looking for a Senior Full Stack Developer.The role is to build a new Forms capability consisting of a Java 21 / Spring Boot 3 backend service and a React / Vite / TanStack frontend portal, both deployed as containers on AWS EKS.The solution will reuse existing platform services for users, projects, project assignments, document storage/S3, Cognito...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of...

Mindera is seeking a Principal Java Engineer to join their team in Greater London. This six-month contract outside IR35 requires strong experience in Java 17+, as well as leadership in technical challenges and solutions.Your role will include crafting secure, high-volume payment services, mentoring engineers, and ensuring best practices in software...

Senior Full-Stack Technical Lead (React/Next.js, Java/Spring Boot & Agentic AI) - Duration: 12 MonthsLocation: Toronto or London (Hybrid, 3x/week)OverviewOur Insurance Client's Enterprise Digital Strategy and Delivery team is seeking a hands-on Technical Lead to build enterprise digital products across front-end applications, backend services, integrations...

**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....

Senior/Principal Java Developer - Low Latency - Financial Services 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are looking for low-latency Java Developers to join our clients FX eTrading team. The developers will be on a low-latency drive, finding and eliminating sources of long-tail latency...

Purpose: build the bespoke pricing engine that produces prices for client RFQ quotes. Responsibilities: build and calibrate commodity derivatives pricing models; model creation and validation; integrate the engine with the RFQ platform and market data; tune for real-time, low latency pricing. Must have: quant development in commodity or OTC derivatives...

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 matter. Look to join a team...

21 hours ago Be among the first 25 applicantsThis range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from Client ServerTech Recruiter - Software Engineering at Client-ServerLead Backend Developer / Software Engineer (Python Java...

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...

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...

Bounteous, a global AI Services firm, seeks a Senior Java Developer for a hybrid Glasgow role (3 days in office). Bring 4–12 years’ experience to design, build, and scale Java-based AI-enabled applications.You will work with Java 17, Kafka, Spring Boot, and AWS, interfacing with stakeholders to clarify requirements and deliver robust software in a...

## 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...

Free-Work in London is seeking a Java Developer with 2–5 years of solid Java Enterprise (J2EE) experience and Liferay expertise to join our team in London. You will design and develop Java Enterprise applications and portal solutions, contributing hands-on development efforts.The ideal candidate will have around 3 years working with Java Enterprise Portals...

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...

Role: Java Full Stack Developer (Macro Trade Capture)Location: London, UKContract Duration: 6 months PAYE Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.Role Overview & Project ScopeWe are seeking a Java Full Stack Developer based in London, UK to join our trading technology team....

**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...

ISAM Securities in London is seeking a highly capable Quantitative Developer to join the in-house trading platform team. You will build ultra-high-performance front-office software for pricing, execution and risk management, using Java and C++ in a 24x7 production environment.You will collaborate with quantitative researchers to implement models at scale,...

WorldFirst in London is seeking a passionate Junior-Mid Java Developer to design, develop, and deliver scalable Java-based applications. You will write clean, efficient code and work to troubleshoot issues while collaborating with cross-functional teams to refine requirements and deliver solutions.You'll contribute to code reviews and maintain high-quality...

Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data Fabric platform that governs data access,...