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Date Added: Mon 11/08/2025

Backend Software Engineer C++ Linux SQL

London, UK
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Company: CLIENT SERVER LTD.

Job Type: Permanent, FullTime

Salary: £90,000 - £120,000 per annum

Backend Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k

Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects.

The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients.

This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Backend Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the cutting-edge platform.

Not only can you take advantage of working in a modern, technology-driven environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team.

Location / WFH:

You'll join colleagues in the London office three days a week with flexibility to work from home the other two days.

About you:

  • You have strong C++ development experience on Linux or UNIX, C++14 and above
  • You have good SQL skills
  • You're a passionate technologist who is motivated by working on cutting-edge systems and engineering complex solutions
  • You're a positive, proactive team member who excels when working collaboratively
  • You have a strong knowledge of software engineering best practices
  • You're degree educated, having achieved a 2.1 or above in a STEM discipline
  • Ideally you will have experience working in a financial services or trading environment although technical skills of far greater importance

What's in it for you:

As a Backend Software Engineer / Developer you will receive a competitive package:

  • Salary to £110k
  • Pension (to 9% contribution)
  • Healthcare
  • Volunteer / charity days
  • Hybrid working
  • Career development and training

Apply now

Apply Now