Senior Software Engineer (Python) – Southampton

A Senior Software Engineer with expertise in Python is sought to own and enhance a real-time options trading system operating during market hours. The candidate will work on ingesting market data, profiling for performance improvements, and maintaining system reliability and latency targets. Responsibilities include developing data pipelines, implementing fault tolerance, and collaborating on system architecture with the engineering team. A strong understanding of asynchronous programming, messaging systems, and performance profiling is essential. The role demands ownership of production environments, incident management, and monitoring, with a preference for candidates based in the UK. It offers the opportunity to influence system design in a fast-paced, collaborative environment with flexible remote work options.