Java Developer - Pontoon : Job Details

Java DeveloperLocation: London (Hybrid - 3 days in office)Contract: 6 Months with huge potential for extension (Inside IR35 via Umbrella)Day Rate: Competitive

Client: Our client is a leading global financial institution with a strong presence in capital markets. They offer a stable, collaborative environment with a focus on trading, risk management, and derivatives. The firm combines global reach with innovative technology to support its front-office operations.

A global financial institution is seeking an experienced Java Developer to join its Front Office Technology team. This role focuses on developing and supporting trading, risk, and analytics platforms, using Java 21 in a fast-paced, collaborative environment.

Key Responsibilities:

• Develop and maintain front-to-back pricing and risk solutions using Java 21
• Collaborate with Front Office, Quants, Risk, and DevOps teams
• Prioritise non-functional requirements such as performance, reliability, and maintainability
• Improve development tooling, deployment pipelines, and overall engineering processes
• Provide level 3 support and contribute to operational excellence

Essential Skills:

• Strong core Java development (streams, lambdas, concurrency APIs)
• Deep understanding of distributed systems and multithreaded architectures
• Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems
• Experience with performance tuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack)
• Solid Computer Science foundation (algorithms, data structures, concurrency)
• Proven track record delivering applications from design to production

Desirable Experience:

• Background in investment banking, particularly Risk or Pricing domains
• Cloud-native development (EKS, Docker, GRPC, Redis, Prometheus, etc.)
• Kafka, event-driven systems, and stateful workflow orchestration
• Familiarity with financial instruments and risk sensitivities

This is a fantastic opportunity to work on high-impact systems in a top-tier financial organisation with global reach and cutting-edge technology.

Apply now to learn more.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.