Java 17 Developer (Investment Banking, Kafka)

Java Developer - Investment Banking (Contract)Location: London (Hybrid) Contract Length: 6 Months Day Rate: Competitive Start Date: ASAP OverviewWe 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 Responsibilities • Develop and enhance high-performance trade processing systems • Work closely with Front Office, Trading, and Quant teams to deliver robust technical solutions • Design and build scalable, event-driven architectures using Kafka • Contribute to the development and optimisation of Trade Runner frameworks • Build containerised microservices deployed via Kubernetes • Ensure system reliability and performance in a Linux-based environment • Collaborate within Agile teams, contributing to design, code reviews, and best practices Required Skills & Experience • Strong hands-on experience with Java (Java 17 preferred) • Proven background in investment banking or capital markets • Solid experience with trade processing systems • Exposure to or direct experience with Trade Runner platforms • Strong knowledge of: • Apache Kafka (event-driven architecture) • Kubernetes (container orchestration) • Linux/Unix environments • Experience building low-latency, high-throughput systems • Strong problem-solving skills and ability to work in a front office environment Desirable Skills • Experience working directly with Front Office trading desks • Knowledge of asset classes such as FX, Fixed Income, or Derivatives • Familiarity with CI/CD pipelines and DevOps practices • Experience with cloud platforms (AWS, GCP, or Azure) Why Apply? • Work on critical, high-impact trading systems • Exposure to front office technology and business stakeholders • Collaborative, fast-paced environment within a top-tier investment bank • Competitive contract rates Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.