🧠 C++ Engineer – Low-Latency Systems
📍 London (Hybrid)
💷 Up to £200,000 + Bonus + Comprehensive Benefits
💻 1+ Years of Experience
🚀 The Opportunity
A leading buy-side investment firm is seeking a C++ Engineer to join its low-latency engineering team, developing the critical infrastructure that underpins high-performance electronic trading across global markets.
This role is ideal for engineers who are passionate about performance optimisation, systems design, and solving complex technical challenges at scale. You'll work on latency-sensitive systems where microseconds matter, collaborating with highly accomplished engineers to build technology that directly impacts trading performance and execution quality.
🔧 What You'll Be Doing
* Design, develop, and optimise ultra-low-latency trading infrastructure and core systems
* Analyse and improve performance across CPU, cache, memory, networking, and operating system layers
* Build highly efficient data structures, algorithms, and messaging frameworks
* Identify, profile, and eliminate bottlenecks throughout the technology stack
* Contribute to the design and architecture of mission-critical trading systems
* Work closely with traders, quantitative researchers, and engineers to deliver high-performance solutions
🌟 Why Join?
🎯 Direct Impact on Trading Performance
Your work will influence the speed, reliability, and efficiency of live trading systems operating in global markets.
🧪 Deep Technical Challenges
Work on highly complex engineering problems spanning software architecture, operating systems, networking, and hardware optimisation.
🧠 Exceptional Engineering Culture
Collaborate with some of the industry's most talented low-latency engineers in a highly technical and intellectually rigorous environment.
🚀 Cutting-Edge Technology
Gain exposure to advanced performance engineering techniques, modern C++ development, and large-scale distributed systems.
📈 Meritocratic Growth
Enjoy significant ownership, rapid progression, and the opportunity to make a measurable impact from day one.
✅ What We're Looking For
* Strong proficiency in modern C++ (C++11/14/17/20)
* Excellent understanding of computer architecture, CPU behaviour, memory hierarchy, and performance optimisation
* Experience with multi-threaded programming, concurrency, and high-performance systems design
* Strong analytical and problem-solving abilities
* Degree in Computer Science, Engineering, Mathematics, Physics, or another STEM discipline
➕ Nice to Have
* Experience with low-latency, real-time, distributed, or trading systems
* Knowledge of Linux internals, networking, kernel-level optimisation, or performance profiling tools
* Exposure to electronic trading, market data systems, or financial technology environments
📩 Interested?
If you're excited by the challenge of building ultra-low-latency systems and solving some of the most demanding engineering problems in technology, we'd love to hear from you.
📧 Apply now or contact for a confidential discussion.