Senior C++ Engineer — Low-Latency HFT, Fully Remote

Oxford Knight; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Flexible hours

Regular international workations

Remote-first / fully remote

Job summary

Oxford Knight seeks a Senior C++ Engineer to develop and optimise core low-latency trading systems for cryptocurrency markets. You will influence market data, exchange connectivity, and trading algorithms, with a focus on microsecond/nanosecond performance without sacrificing reliability.

This is a senior, hands-on role with technical ownership, leading projects from requirements through to production while collaborating with Traders and other Engineers across the firm.

Qualifications

• 6+ years of professional C++ development experience.
• Experience optimising performance at microsecond/nanosecond level.
• Strong understanding of networking, data structures and algorithms.
• Financial markets and/or HFT experience.
• Excellent analytical and debugging skills.
• Kernel bypass experience.

Responsibilities

• Develop and optimise the firm’s core low-latency trading systems.
• Work across market data, exchange connectivity and trading algorithms.
• Lead projects from requirements through production with technical ownership.

Skills

C++ development

Performance optimisation

Networking fundamentals

Algorithms and data structures

HFT / financial markets

Debugging and profiling

WebSockets / FIX / Kafka

Kernel bypass

System and network performance

Tools

Linux

Perf tools

Kafka

FIX protocol

Job description

Oxford Knight seeks a Senior C++ Engineer to develop and optimise core low-latency trading systems for cryptocurrency markets. You will influence market data, exchange connectivity, and trading algorithms, with a focus on microsecond/nanosecond performance without sacrificing reliability.

This is a senior, hands-on role with technical ownership, leading projects from requirements through to production while collaborating with Traders and other Engineers across the firm.