Ultra-Low Latency C++ Quant Developer (HFT)

Oxford Knight; Greater London; On-site; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Generous benefits

Professional development

Job summary

Oxford Knight is seeking a Quant Developer to join the HFT team in London, responsible for designing and operating ultra-low-latency systems that run at global scale. You will work across the latency-critical stack—from kernel tuning and network optimization to highly efficient C++ components—collaborating with FPGA, hardware and infrastructure engineers.

The successful candidate will be a C++ expert with at least 5 years in hedge funds or trading firms, passionate about performance and elegant

Qualifications

• 5+ years of development experience in performance-critical C++ (C++17 or above).
• Solid understanding of systems programming, memory management and CPU architectures.
• Deep familiarity with Linux internals, kernel parameters and low-level profiling.

Responsibilities

• Design ultra-low-latency C++ components and systems.
• Operate latency-critical systems at global scale.
• Collaborate with FPGA, hardware and infrastructure teams to optimise performance.
• Optimise kernel-level tuning and network paths for minimal tail latency.

Skills

C++

Low-latency

Linux internals

Performance tuning

Trading experience

Job description

Oxford Knight is seeking a Quant Developer to join the HFT team in London, responsible for designing and operating ultra-low-latency systems that run at global scale. You will work across the latency-critical stack—from kernel tuning and network optimization to highly efficient C++ components—collaborating with FPGA, hardware and infrastructure engineers.

The successful candidate will be a C++ expert with at least 5 years in hedge funds or trading firms, passionate about performance and elegant