C++ Software Engineer

Job description

C++ Software Engineer – High-Frequency Trading

A systematic trading firm of similar calibre to leading names in the space is seeking exceptional C++ Software Engineers to join its world-class engineering team. This is a hybrid position, open to candidates based in London or has the right to work in London.

You will be part of a highly collaborative, low-ego engineering culture that prioritises performance, innovation, and impact. Working alongside some of the brightest minds in quantitative trading and systems engineering, you will build and optimise ultra-low latency, high-throughput systems that operate at scale.

Key Responsibilities:

• Design and implement high-performance C++ systems for low-latency trading
• Optimise existing code for speed and reliability under production workloads
• Collaborate closely with traders, researchers, and fellow engineers to develop scalable infrastructure
• Work across the full software lifecycle in a fast-paced, agile environment

Key Requirements:

• Strong proficiency in modern C++ (C++17 or later)
• Deep understanding of systems programming, multithreading, memory management, and performance tuning
• Experience in low-latency environments such as trading, networking, gaming, or real-time systems
• Solid background in Linux development and networking protocols
• Previous experience in HFT, proprietary trading, or quantitative finance is highly desirable but not essential

What’s on Offer:

• Top-tier compensation, including performance-based bonuses
• Opportunity to work on complex, technically challenging systems
• Flat structure with direct impact and ownership
• Access to some of the most advanced infrastructure in the trading world

This is a unique opportunity to work at the forefront of financial technology without relocating. Ideal for high-level C++ engineers who thrive in performance-critical environments and want to build systems that truly push the limits.

To learn more or express interest confidentially, feel free to get in touch directly.

Note: If you don't hear back within 3 days, your application was unfortunately not successful.

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

05-02-2026

Profession type

Accountancy

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English