Low Latency C++ Engineer, Quant Trading, London : £200k+

We're currently partnering with a top-tier quantitative trading firm seeking exceptional C++ engineers to join a highly specialised low-latency team.

This is an opportunity to work on systems where performance is measured in nanoseconds, not seconds.

You'll be responsible for designing and optimising mission-critical trading infrastructure, building ultra-low-latency components, and pushing hardware and software performance to its limits.

What you'll be working on:

• Ultra-low-latency trading systems
• Market data handlers and exchange connectivity
• Performance optimisation across the full stack
• Lock-free and concurrent systems
• Network, CPU, memory and cache optimisation
• Real-time systems operating in highly competitive markets

We're interested in engineers with experience in:

• Modern C++ (C++17/20)
• Multithreading and concurrency
• Linux systems programming
• Network protocols and low-level optimisation
• Performance profiling and benchmarking
• Building highly performant production systems

Backgrounds considered:

• Quantitative Trading
• High-Frequency Trading
• Electronic Trading
• High-Performance Computing
• Networking Infrastructure
• Gaming Engines
• Real-Time Systems

The firm offers:

• Exceptional compensation packages with market-leading bonuses
• Direct impact on trading performance and business outcomes
• Highly technical, engineering-led culture
• Access to cutting-edge hardware and technology
• Small teams, significant ownership, and minimal bureaucracy