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C++ Low Latency Engineer | Systematic Trading - Selby Jennings

Selby JenningsLondon🇬🇧United KingdomPosted 6 Sept 2026

Why This Role Stands Out

This role offers a fantastic opportunity to advance your C++ and low-latency engineering skills within a prestigious systematic trading firm, directly impacting global trading performance. You'll thrive here if you're a mid-senior engineer passionate about building highly efficient, performance-critical systems, and you'll enjoy a hybrid work model with significant career growth potential and competitive compensation. Apply today to join a team of high-calibre engineers tackling complex technical challenges!

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
London, United Kingdom
Posted
Yesterday

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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