C++ Developer

Oliver Bernard; Greater London; On-site; GBP 212,500 - 287,500; Full time

Job summary

Oliver Bernard is seeking a Senior C++ Software Engineer to join a leading global trading firm in London. You will design and develop high-performance C++ applications, optimise low-latency order gateway solutions and work with traders, engineers and stakeholders to deliver robust trading technology.

You will mentor engineers, influence architecture and help grow technical leadership while solving challenging performance‑critical problems on the trading path in a fast-paced, globally distributed

Qualifications

• Strong commercial experience with modern C++.
• Excellent knowledge of Linux development.
• Experience building high‑performance, mission‑critical systems.
• Exchange connectivity or trading systems knowledge.
• Financial markets experience.

Responsibilities

• 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.

Skills

Modern C++

Linux development

Data structures & networking

High-performance systems

Trading systems knowledge

Distributed teams

Job description

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.

The Opportunity

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.

What You'll Be Doing

• 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

What We're Looking For

• 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

Why Apply?

• 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