Senior C++ Developer Linux SQL - FinTech

JR United Kingdom; London; Hybrid; GBP 80,000 - 110,000; Full time

Job summary

A global-leading FinTech company is looking for a Senior C++ Developer based in London. This role offers the opportunity to work on core platform enhancements and bespoke client projects within a collaborative environment, promoting autonomy and continuous professional development.

Benefits

Pension (to 9% contribution)

Volunteer / charity days

Career development and training

Qualifications

• Strong C++ development experience on Linux or UNIX, C++14 and above.
• Good SQL skills.
• Degree educated, with a 2.1 or above in a STEM discipline.

Responsibilities

• Designing and building technical solutions for bespoke client projects.
• Contributing to core platform enhancements.
• Influencing key technical decisions within the software development lifecycle.

Skills

C++ Development

SQL

Software Engineering Best Practices

Team Collaboration

Education

Degree in STEM discipline

Job description

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Client:

Client Server

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

27.06.2025

Expiry Date:

11.08.2025

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Job Description:

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

Global-leading FinTech is seeking a Senior C++ Developer 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 Senior C++ Developer, 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 Senior C++ Developer you will receive a competitive package:

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

Apply now to find out more about this Senior C++ Developer / Software Engineer (Linux SQL C++17) 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.