C++ Developer – Multi‑Asset Prop Trading

About the role

Our client, a multi‑asset proprietary trading firm, is seeking a C++ Developer to join its London office. You will work on the core trading engine that powers exchange‑traded strategies across a wide range of asset classes.

Key responsibilities

• Design, develop and maintain high‑performance C++ code for the core trading platform.
• Collaborate with quantitative researchers to build software that supports research, back‑testing and live trading.
• Optimize latency‑critical components by profiling code, tuning CPU usage and improving network interactions.
• Contribute to the architecture of low‑latency solutions, taking into account server hardware, network topology and operating system characteristics.

Required profile

• Minimum 3 years of professional C++ development experience, preferably in high‑performance or low‑latency environments.
• Strong understanding of Linux systems, network programming and modern CPU architecture.
• Familiarity with market‑data protocols and order‑entry mechanisms used on global exchanges.
• Proven ability to profile, benchmark and optimise complex code bases.
• Finance‑industry experience is a plus but not mandatory.

Required skills

• C++ (modern standards)
• Linux operating system
• Network programming (sockets, TCP/UDP)
• CPU architecture and cache optimisation
• Market data protocols & order‑entry APIs
• Performance profiling and optimisation tools

What we offer

• Competitive compensation package.
• Collaborative and friendly working environment.
• Opportunity to make an impact from day one across the firm.