C++ Low Latency Engineer | Systematic Trading

Job in Greater London, London, Greater London, W1B, England, UK

Listing for: Selby Jennings

Full Time position
Listed on 2026-09-13

Job specializations:

Software Development
C++ Developer, Software Engineer

Salary/Wage Range or Industry Benchmark: 120000 - 180000 GBP Yearly GBP 120000.00 180000.00 YEAR

Location: Greater London

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)
Multithreading, Concurrency & Memory Management
STL, Object-Oriented Design & Software Architecture
Messaging Infrastructure

Networking:

TCP/IP, UDP & Socket Programming
High-Performance Networking
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 with in 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

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