C++ Software Engineer - Hybrid

Compensation: Up to £350,000 Base + Bonus

Location: London (Hybrid)

A boutique prop trading firm is seeking a high-performance C++ Software Engineer to join a world-class engineering team building some of the fastest trading systems in global financial markets. This is a true low-latency role where software performance directly impacts P&L. You will work in an intellectually demanding, fast-paced environment alongside elite engineers, quantitative researchers, and traders, using cutting-edge technology to solve complex performance-critical problems.

As a C++ Software Engineer, you will play a critical role in the design, development, and optimisation of ultra-low-latency trading systems operating in live markets.

Key responsibilities include:

• Designing and developing high-performance C++ trading applications
• Optimising code paths for maximum speed and minimal latency
• Collaborating closely with quantitative researchers and traders to implement and enhance trading algorithms
• Building and maintaining low-latency networking and communication protocols
• Conducting detailed performance analysis, profiling, and tuning of critical system components

• Work on mission-critical systems where engineering excellence drives trading performance
• Exposure to state-of-the-art technology and modern low-latency engineering practices
• Exceptional professional growth in a highly technical, performance-driven environment
• Highly competitive compensation, bonus structure, and comprehensive benefits package
• Strong emphasis on health, well-being, and sustainable work‑life balance
• Rapid career progression and collaboration with top‑tier infrastructure and trading teams

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
• 4+ years professional experience developing high-performance systems in C++
• Strong fundamentals in data structures, algorithms, and software design
• Experience with multi-threaded programming and real-time systems
• Proficiency in Linux/Unix environments
• Experience with network programming (TCP/IP, UDP) is advantageous
• Knowledge of hardware-level optimisation (SIMD, GPU, CPU cache optimisation) is a plus

If you are a C++ Software Engineer looking to work at the cutting edge of high-frequency trading technology, please apply with an up-to-date CV or email  for more information.