C++ Low Latency Engineer Systematic Trading - Selby Jennings

Employer: eFinancialCareers

Location: London, South East England, GB

Salary: Competitive salary

Job type: FULL_TIME

Posted: 2026-09-07T00:00:00Z

Sector: IT & Technology

Job Description

Our client is a technology-driven systematic trading firm seeking a C++ Software Engineer to build and optimise the low-latency infrastructure powering their global trading platform. You'll work on performance-critical systems where efficiency, scalability and reliability directly impact trading performance. Technical Skills Modern C++ & Low Latency Modern C++ (C++17/20/23 and beyond) Low-Latency Systems Development Performance Engineering & Optimisation Multithreading, Concurrency & Memory Management STL, Object-Oriented Design & Software Architecture Systems Engineering Linux / Unix Distributed, Real-Time & Event-Driven Systems Messaging Infrastructure Networking TCP/IP, UDP & Socket Programming High-Performance Networking Desirable Trading Technologies FIX Protocol Exchange Connectivity Market Data Feeds Electronic Trading Systems Ideal Background Open to candidates from either financial services or leading technology firms who have experience building high-performance, latency-sensitive software. Experience within trading, exchanges or financial markets is beneficial but not essential. What's on Offer Build critical technology within a leading systematic trading environment Work alongside high-calibre engineers on challenging technical problems Significant ownership and direct impact on business outcomes Competitive compensation and strong long-term career progression opportunities Apply now!

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