java swing developer jobs in London

Mandatory skills: Java, Spring boot and **Solace**   **Skills** Design, develop, and maintain high-quality **Java with Solace** / ION / Python applications using SpringBoot. Proficiency in Java core 8+ is a must. Proficiency in Junit. Implement Solace publication/subscription Implement and optimize RESTful APIs and microservices. Integrate with...

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 software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. You'll work on greenfield projects, collaborate with cross-functional teams, and engage in aspects from architecture to deployment. The ideal candidate has over 5 years of Java experience, and...

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...

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...

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...

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...

Hunter Bond is seeking a Senior Java Developer for a hybrid Central London role with an initial 12-month contract. The position offers an outside IR35 setup and a day rate up to £700, starting in October.You will develop and enhance server-side Java applications supporting settlement and post-trade processes within a fast-paced financial markets...

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...

Lead technical decision-making and architecture design for JD’s international core systems, ensuring high standards of performance, availability, concurrency, security, and scalability.Design and oversee complex system architectures and drive productization efforts, maintaining architectural quality through hands-on coding, continuous performance...

Oliver Bernard is seeking two experienced Senior Java Developers to join a major retail banking transformation programme in London. You will work on large-scale payments and accounts platform, designing and building high-volume, cloud-native systems.You'll create Java-based microservices, leverage AWS and Kafka, and collaborate with product owners,...

Senior Full Stack Engineer (TypeScript) Ocho People | Technology Recruitment Senior Full Stack role at a world leading financial markets infrastructure organisation - genuinely greenfield platform build in partnership with AWS TypeScript across the full stack with React, Redux, GraphQL, Terraform and AWS serverless Work directly alongside AWS engineers on a...

Our client is a technology consultancy. Ready to work somewhere that cares more about how you build software than how fast you can ship it?We don't measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Our client consultants deliver in complex environments, pairing often and...

Referment is working with a London-based technology company that builds data transparency and accountability tools for the investment management industry. Its platform aggregates and validates cost and holdings data from across the investment supply chain, allowing pension funds, asset managers and other service providers to share and interrogate validated...

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...

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...

Our client is a leading international bank. If you're looking for a career that will help you stand out, join our client and fulfil your potential. Whether you want a career that could take you to the top, or simply take you in an exciting new direction, our client offers opportunities, support and rewards that will take you further. Our client is one of the...

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...

Alexander Ash Consulting is seeking an experienced Java/Spring Boot Developer for a leading banking client. You will design, develop and maintain scalable Java applications and Spring Boot microservices within a fast‑paced financial services environment.You will collaborate with architects, product owners and other engineering teams to deliver secure,...