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Date Added: Wed 13/08/2025

Backend Software Engineer C++ Windows - Finance

London, UK
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Company: CLIENT SERVER LTD.

Job Type: Permanent, FullTime

Salary: £60,000 - £70,000 per annum

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC

Are you a skilled Backend Software Engineer with strong C++ skills?

You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits.

As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day.

Location / WFH:

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

Please note this is a 12 month Fixed Term Contract.

About you:

  • You have C / C++ development skills on Windows OS
  • You have full software development lifecycle experience
  • You have a good knowledge of networking protocols e.g. TCP/IP, multicast
  • You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns
  • You're collaborative with great communication skills

What's in it for you:

*Please note this is a 12 month Fixed Term Contract, with full benefits*

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

  • Salary to £70k + bonus
  • 25 days holiday
  • Pension
  • Life Assurance and Income protection
  • Private Medical and Dental care
  • Gym subsidy and wellness apps
  • Cycle to work scheme
  • Ability to buy stock options
  • Family leave and sabbaticals
  • Continuous training and career development including personalised budget
  • Gain valuable finance / exchange connectivity experience

Apply now

Apply Now