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Posted 30 July, 2026
Client Server

Senior C++ Software Engineer - Cyber Security

London Hybrid Full Time
Salary: £70,000 to £80,000 Annually
benefits

Senior C++ Software Engineer / Developer London / WFH to £80k

Do you have strong backend C++ software development experience?

You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alongside a team of friendly and supportive people and enjoying a host of perks and benefits.

As a Senior C++ Software Engineer you'll develop high performance systems that sit at the heart of the platform, helping organisations automatically detect, analyse and neutralise attacks without human intervention.

You'll work on modern C++ (C++17/23) in a Linux environment, building low latency, highly concurrent software where performance, reliability and scalability are paramount. There are also opportunities to specialise in systems programming, performance optimisation or security focused development, depending on your interests and you'll also work with Rust.

As a senior member of the team, you'll provide technical leadership, taking ownership of features from design through to deployment. You'll lead code reviews, mentor engineers, contribute to sprint planning and technical direction and collaborate with product and engineering teams to deliver high quality software.

Location / WFH:

You can work from home most of the time, meeting up with colleagues in the London office twice a week.

About you:

  • You have strong commercial C++ development experience (C++17 / 20 / 23)
  • You have experience of building high performance, low latency systems on Linux
  • You have a good understanding of systems programming, concurrency and performance optimisation
  • You have some Rust experience, this could be in your own time, happy to use going forward
  • You're comfortable leading technical delivery, mentoring developers and driving engineering best practice
  • You have a collaborative approach with excellent problem solving skills

What's in it for you:

As a Senior C++ Software Engineer / Developer you will earn a competitive package:

  • Salary to £80k + Bonus
  • Pension
  • Private Medical Insurance
  • Life Assurance
  • Enhanced parental leave
  • Employee Assistance Program
  • 23 days holiday plus an additional one for your birthday
  • Charity giving schemes
  • Personal training and development budgets

Apply now to find out more about this Senior C++ Software Engineer / Developer opportunity.

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