Java Developer - Investment Banking (Contract)Location: London (Hybrid)Contract Length: 6 MonthsDay Rate: Competitive (Inside/Outside IR35 dependent on engagement)Start Date: ASAPOverviewWe are partnering with a leading investment bank looking to onboard an experienced Java Developer to join a front office trading technology team on an initial 6-month contract. The role focuses on building and enhancing trade processing systems within a fast-paced, high-performance environment.Key ResponsibilitiesDevelop and enhance high-performance trade processing systemsWork closely with Front Office, Trading, and Quant teams to deliver robust technical solutionsDesign and build scalable, event-driven architectures using KafkaContribute to the development and optimisation of Trade Runner frameworksBuild containerised microservices deployed via KubernetesEnsure system reliability and performance in a Linux-based environmentCollaborate within Agile teams, contributing to design, code reviews, and best practicesRequired Skills and ExperienceStrong hands-on experience with Java (Java 17 preferred)Proven background in investment banking or capital marketsSolid experience with trade processing systemsExposure to or direct experience with Trade Runner platformsStrong knowledge of:Apache Kafka (event-driven architecture)Kubernetes (container orchestration)Linux/Unix environmentsExperience building low-latency, high-throughput systemsStrong problem-solving skills and ability to work in a front offi