CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing and Risk, working on our high-performance, high-frequency trading platform.This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You''ll design and build ultra-low latency pricing and risk systems that directly power our global trading operations.If you thrive in performance-critical environments and want your work to have real market impact, we''d love to hear from you.Ultra-Low Latency EngineeringDevelop and optimise high-performance Java (21+) systems for pricing, risk and trading.Build and enhance components within a low latency, high-throughput trading architecture.Apply advanced concurrency, memory management and performance tuning techniques.System Design and OwnershipTake responsibility for designing scalable, resilient and maintainable systems.Contribute to architectural decisions across the trading and risk platform.Build tooling to improve monitoring, maintenance and performance diagnostics.Trading-Focused CollaborationWork closely with Quants, Financial Engineering, Front Office and Business Operations.Support live trading systems, troubleshooting time-critical production issues.Contribute to the continuous evolution of our electronic trading infrastructure.Mentorship and Technical LeadershipProvide guidance and mentorship to junior developers.Champion engineering ..... full job details .....