A proprietary trading firm in Cambridge seeks a Principal Software Engineer to develop ultra-low-latency trading systems using C++ or Rust. The role involves working with a skilled team and offers the chance to support junior engineers, build research systems, and potentially grow into senior management. The ideal candidate will have exceptional problem-solving skills and experience with distributed systems. The salary is up to £350,000 with potential for significant increases, reflecting this high-level position. #J-18808-Ljbffr