Join Barclays as an Equities Risk Software Engineer, where you will build high-performance, resilient Java services supporting critical risk functions. Applying strong concurrency fundamentals, you will develop container-ready applications designed for reliability, observability, and stable behaviour under market stress. Experience with derivatives risk, reactive or event-driven systems, and latency-sensitive distributed architectures will support the delivery of scalable, production-grade solutions.To be successful, you should have:Solid Java and concurrency fundamentals-comfortable with threads, executors, immutability, and avoiding shared state bugs.Container aware development-can build and run Java services in containers, understands startup/shutdown, resource limits, and basic observability (logs/metrics) in a Kubernetes style environment.Production mindset-thinks about failure cases, debuggability, and how their service behaves during restarts, spikes, or bad market data/input.Some other highly valued skills may include:Working understanding of derivatives risk conceptsExposure to reactive programming or event driven systemsExperience with large distributed systems, latency and throughput sensitiveYou may be assessed on key critical skills relevant to success in this role, such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology skills, as well as job-specific technical skills.This role is based in London. Purpose