Front Office - Java Developer - Banking (multiple headcounts)

This is an excellent opportunity to work on a business-critical front-office trading platform, supporting the structuring, valuation and matching of Interest Rate products. The successful candidate will be involved in developing high-performance, scalable and reliable trading applications, working closely with traders, business analysts and technology teams across multiple regions. What you'll do: - Design, develop and maintain high-performance trading applications using Core Java (Java 25). - Build scalable, distributed and multithreaded applications supporting front-office trading workflows. - Collaborate directly with traders, quants, business analysts and global engineering teams to deliver technology solutions. - Develop and optimise applications with a strong focus on performance, reliability and scalability. - Conduct JVM profiling, performance tuning, debugging and troubleshooting. - Contribute to system architecture, technical design and continuous improvement initiatives. - Participate in Agile development, test-driven development (TDD) and CI/CD practices. - Provide Level 3 production support and resolve complex technical issues when required. What you'll bring: - 8+ years of professional software development experience, with strong hands-on Core Java expertise. - Excellent understanding of multithreading, concurrency, asynchronous programming and distributed systems. - Strong computer science fundamentals, including algorithms, data structures and design principles. - Commercial experience with Spring Boot, PostgreSQL and OpenShift. - Hands-on experience in JVM monitoring, profiling, debugging and performance optimisation. - Strong knowledge of test-driven development (TDD), automated testing and CI/CD pipelines. - Experience delivering complex applications in an Agile/Scrum environment. - Strong analytical, problem-solving and stakeholder communication skills. - Degree in Computer Science, Engineering or a related discipline. - Experience within Investment Banking, Front Office Trading, Pricing or Market/Credit Risk. - Experience developing low-latency, high-throughput trading systems, including lock-free programming. - Knowledge of Kafka, event-driven architecture or messaging platforms. - Experience with Docker, Kubernetes/EKS, Nomad, gRPC or cloud-native applications. - Exposure to JavaScript, TypeScript or React. - Experience with workflow orchestration, scheduling or state management. Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates