Senior C++ Developer

Senior C++ Software Engineer | Low Latency Trading | £250k | London

We're partnering with a leading global quantitative trading firm that's looking for an experienced Senior C++ Software Engineer to join a team responsible for building and enhancing the technology that connects trading systems to exchanges and brokers around the world.

This is a hands‑on role developing business‑critical, low‑latency software that sits at the heart of a high‑performance trading environment.

You'll take ownership of designing, building and optimising order gateway technology, working closely with traders, engineers and stakeholders to deliver resilient, high-performance systems. Alongside hands‑on development, you'll have the opportunity to mentor engineers, influence architecture and grow into technical leadership.

• Designing and developing high-performance C++ applications
• Building and optimising low‑latency order gateway solutions
• Collaborating with cross‑functional teams to deliver robust technical solutions
• Driving software quality through testing, code reviews and engineering best practices
• Contributing to architecture and technical design discussions
• Supporting production systems and continuously improving reliability and performance
• Mentoring engineers and sharing technical knowledge across the team

• Strong commercial experience with modern C++
• Excellent knowledge of Linux development
• Strong understanding of data structures, networking and software design
• Experience building high‑performance, mission‑critical systems
• Passion for solving complex technical challenges
• Exchange connectivity or trading systems knowledge
• Financial markets experience (Equities, Futures, Options or other asset classes)
• Experience working within globally distributed engineering teams

• Work on technology that sits directly on the trading path
• Excellent progression into technical leadership
• Join a collaborative, world‑class engineering team
• Solve challenging, performance‑critical engineering problems every day
• Highly competitive compensation and benefits package

Senior C++ Software Engineer | Low Latency Trading | £250k | London