Senior C++ Software Engineer

Senior C++ Software Engineer – London. A highly reputable International electronic trading organisation is looking for a Senior C++ Software Engineer to join their high‑performance engineering team. If you enjoy solving complex problems, building ultra‑fast systems, and working at the sharp end of financial technology, this one’s worth your time.

As a Senior C++ Software Engineer, you will:

• Design and optimise low‑latency trading systems using modern C++ (C++20/23) and prepare for features emerging in C++26 such as improved modules and reflection.
• Contribute across the full SDLC within an Agile team.
• Write clean, efficient, maintainable code using STL and modern language features.
• Troubleshoot complex, latency‑sensitive issues in a fast‑moving production environment.

Their environment offers scope to further your knowledge with CMake, CI pipelines, sanitizers, advanced debugging, and Linux‑based high‑performance environments.

What the client is looking for from the Senior C++ Software Engineer:

• 5+ years of commercial software engineering experience.
• Strong, hands‑on expertise with C++ (modern standards).
• Experience working in Unix/Linux environments.
• Background in low‑latency systems — ideally electronic trading or HFT.
• Excellent problem-solving abilities and a collaborative approach.
• 26 days annual leave
• Life insurance
• Hybrid working – 3 days in office per week – City of London location.

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