Quantitative Developer - Java | kdb - contract

Location: London, UK (Hybrid - 3 days onsite)Contract: Initial 12-month contractRate: Up to £800/day (Inside IR35) We are seeking a Senior Quantitative Developer to join a high-performing electronic FX (eFX) technology team within a leading global investment bank. This role focuses on the design, development, and optimisation of low-latency trading systems that support automated pricing, execution, and quantitative trading strategies. Key Responsibilities Design and build low-latency, event-driven trading systems for FX markets Collaborate with quantitative analysts to integrate and optimise trading models Develop and enhance capabilities across pricing, execution, and back-testing frameworks Conduct latency and performance analysis, driving continuous optimisation Build analytics and monitoring tools to assess system and model performance Contribute to the scalability, resilience, and reliability of the core trading platform Work in an agile delivery environment with frequent releases to production Required Skills andamp; Experience Strong experience in electronic trading systems, ideally within FX Proven track record building low-latency, high-throughput applications Advanced Java development skills, including performance optimisation (low GC, lock-free techniques) Experience with Real Time messaging frameworks/protocols (eg Aeron, Kafka, FIX, ITCH, OUCH) Familiarity with time-series data platforms, preferably KDB Solid understanding of modern software engineering ..... full job details .....