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
• Network protocols and low‑level optimisation
• Performance profiling and benchmarking
• Building highly performant production systems
• 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

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