Java 17 Developer Investment Banking, Kafka - Lorien Impellam

About the role

We 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.

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.

Additional Information

Java Developer - Investment Banking (Contract) Location: London (Hybrid) Contract Length: 6 Months Day Rate: Competitive (Inside/Outside IR35 dependent on engagement) Start Date: ASAP

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