C++ Developer - HFT

Bonhill Partners Ltd; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Bonhill Partners Ltd is seeking a highly skilled C++ engineer to design ultra-low-latency infrastructure for mission-critical trading systems in a high-performance computing environment.

You will optimise execution speed, ensure system stability, and contribute to the development of high-throughput trading technology within a finance-focused team.

Qualifications

• Expert proficiency in modern C++, with strong knowledge of C++17, C++20, C++23 and emerging C++26 features.

Responsibilities

• Focus on designing ultra-low-latency infrastructure, maximise execution speed and ensuring system stability and reliability.
• Apply deep expertise in modern C/C++, systems-level development and high-performance computing to optimise mission-critical trading technology

Skills

Modern C++ (C++17/20/23/26)

Network protocols TCP/UDP

Multithreaded programming

Linux system development

High-performance computing

Real-time trading systems

Tools

Linux

Job description

• Focus on designing ultra-low-latency infrastructure, maximising execution speed and ensuring system stability and reliability.
• Apply deep expertise in modern C/C++, systems-level development and high-performance computing to optimise mission-critical trading technology

Requirements:

• Expert proficiency in modern C++, with strong knowledge of C++17, C++20, C++23 and emerging C++26 features.
• Deep understanding of network protocols (TCP/UDP), concurrency and multithreaded programming.
• Strong Linux development skills, including system-level optimisation and performance tuning.
• Proven experience building real-time, high-throughput systems in performance-critical environments.
• Experience within cryptocurrency or traditional financial markets, ideally involving electronic trading systems