C++ Software Engineer – Systematic Trading Technology

About the role

Join a leading quantitative trading firm in London to design and build the next generation of high‑performance trading and research infrastructure. You will work in a collaborative engineering environment where technology drives the business, partnering closely with traders, quantitative researchers and infrastructure specialists.

Key responsibilities

• Develop and optimise low‑latency trading, market‑data and order‑execution systems across multiple asset classes.
• Design resilient, fault‑tolerant software for demanding production environments.
• Profile, tune and debug performance‑critical applications to maximise latency and throughput.
• Contribute to large‑scale infrastructure that supports research, simulation and live trading.
• Collaborate with hardware, networking and software experts to unlock stack‑wide performance gains.
• Influence architectural decisions and promote engineering best practices.

Required profile

• Commercial experience developing production software in modern C++.
• Strong grasp of algorithms, data structures and software design principles.
• Experience with performance‑sensitive, low‑latency systems.
• Deep knowledge of Linux/UNIX environments and operating‑system concepts.
• Excellent debugging and problem‑solving abilities.
• Ability to work independently while collaborating effectively with a team.

Required skills

• C++ (modern)
• Linux / UNIX
• Algorithms and data structures
• Software design
• Performance optimisation
• Low‑latency system development
• Distributed systems
• Profiling and debugging tools
• CPU architecture, memory management, networking concepts

What we offer

• Engineering‑led environment with significant ownership of work.
• Opportunity to impact systems that operate at the limits of performance.
• Collaboration with high‑calibre engineers, researchers and traders.
• Exposure to cutting‑edge technology in quantitative finance.