C++ Quantitative 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

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth.

Now looking for a Quant Developer to join the HFT team in London, responsible for designing and operating ultra-low-latency systems that run at global scale. This role offers the opportunity to work across the latency-critical stack; from kernel-level tuning and network optimization to highly efficient C++ components.

Working alongside talented engineers in FPGA, hardware and infrastructure, you’ll design end-to-end architectures where every nanosecond counts.

The successful Quant Developer will be a C++ engineer who cares deeply about performance, efficiency and elegant, ultra-optimized systems.

Requirements

• Experience working at a hedge fund or trading firm is a must-have
• 5+ years’ development experience in performance-critical C++ (C++17 or above)
• Solid understanding of systems programming, low-level understanding including memory management and CPU’s architectures
• Deep familiarity with Linux internals, kernel parameters, and low-level profiling
• Great opportunity to be part of a collaborative, creative environment where you can feel valued for your input
• Competitive salary + generous benefits
• Professional and personal development
• Relaxed, casual culture, with a healthy work-life balance

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

C++ Quantitative Developer – HFT London