Ultra-Low Latency C++ Engineer — HFT Systems

MARGO; Greater London; On-site; GBP 140,000 - 210,000; Full time

Benefits offered by this job

Access to elite HFT trading environments

Intellectually demanding engineering assignments

Long-term career in low-latency skills

Job summary

A leading tech consultancy in London is seeking a C++ Software Engineer to work on latency-critical trading infrastructure. The role focuses on developing ultra-low latency trading systems in a high-performance trading environment. Candidates should have significant experience in C++ development and a strong understanding of CPU architectures. The position is not suitable for those with a C#-only background. The consultancy offers intellectually demanding engineering assignments and doesn’t provide visa sponsorship.

Qualifications

• Strong experience in C++ development for performance-critical or low-latency systems.
• Proven background in HFT or ultra-low latency trading environments.
• Deep understanding of CPU architecture, caches, and memory models.

Responsibilities

• Design, develop, and optimise ultra-low latency C++ trading components.
• Work on critical execution paths for market data processing and order routing.
• Ensure correctness, determinism, and stability of production trading systems.

Skills

C++ development

Low-latency systems

Concurrency and memory ordering

CPU architecture knowledge

Concurrency understanding

Tools

Linux

CPU profilers

Market data feeds

Job description

A leading tech consultancy in London is seeking a C++ Software Engineer to work on latency-critical trading infrastructure. The role focuses on developing ultra-low latency trading systems in a high-performance trading environment. Candidates should have significant experience in C++ development and a strong understanding of CPU architectures. The position is not suitable for those with a C#-only background. The consultancy offers intellectually demanding engineering assignments and doesn’t provide visa sponsorship.