full-time
Experienced C++ Engineer - Linux Kernel & Ultra-Low Latency Trading
Selby Jennings
- Employer
- Selby Jennings
- Location
- London
- Working pattern
- on-site
About the role
Develop and optimize ultra-low-latency C++ trading and market data infrastructure, focusing on Linux kernel, scheduler, and network stack performance. Profile production systems and reduce latency across CPU, cache, memory, kernel, and hardware layers in collaboration with FPGA and infrastructure specialists. Candidates should have 3–12 years of modern C++ experience, strong Linux systems programming expertise, and deep knowledge of Linux internals and performance engineering. The role also calls for experience diagnosing cross-layer performance bottlenecks, knowledge of CPU architecture and networking, and a First-Class degree or equivalent GPA from a top university in a relevant STEM field.