Backend Software Engineer C++ Windows - Finance

Client Server; Weston Green; Remote; GBP 59,000 - 70,000; Full time

Job summary

A global market data provider seeks a Backend Software Engineer (Windows C/C++, C#) for a 12-month fixed-term contract. Work remotely if not within commuting distance to London. You will join an Agile team focused on Exchange Connectivity software, ensuring real-time performance. Required skills include C/C++ development and knowledge of networking protocols. Competitive salary up to £70k plus benefits including 25 days holiday, pension, and training opportunities.

Benefits

25 days holiday

Pension

Life Assurance

Income protection

Private Medical and Dental care

Gym subsidy

Cycle to work scheme

Stock options

Family leave

Sabbaticals

Continuous training and career development

Qualifications

• Experience in full software development lifecycle.
• Collaborative mindset and strong problem-solving abilities.
• UK based and does not require visa sponsorship.

Responsibilities

• Build and maintain Exchange Connectivity software systems.
• Ensure real-time processing and low latency of data feeds.
• Develop key transport protocols for data transmission.

Skills

C/C++ development skills

Knowledge of networking protocols (TCP/IP, multicast)

Strong communication skills

Education

Grounding in Computer Science fundamentals

Job description

Backend Software Engineer / Developer (Windows C / C++, C#) Remote UK 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.

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 can work remotely (in the UK) if you're not within a commutable distance of London.

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

You are UK based and do not require visa sponsorship

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

to find out more about this Backend Software Engineer / Developer (Windows C / C++, C#) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.