C++ Low Latency Engineer Systematic Trading - Selby Jennings

eFinancialCareersLondonreedpublished 09/24/2026
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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!