Senior C++ Software Engineer

JR United Kingdom; Cheltenham; Remote; GBP 60,000 - 90,000; Full time

Job summary

A leading global FinTech is seeking a Senior C++ Software Engineer for its growing team in the UK. In this role, you will design and develop critical backend systems, optimize performance, and collaborate on impactful financial technology projects. This position offers a competitive market salary, bonuses, and excellent benefits.

Qualifications

• Strong experience in modern C++ (C++11/14/17/20) in production.
• Deep understanding of performance-optimized, multi-threaded systems.
• Experience with APIs and structured data (e.g., JSON, XML).

Responsibilities

• Design and develop core backend components in modern C++.
• Collaborate with a high-calibre team for system performance.
• Ensure long-term maintainability and adherence to engineering best practices.

Skills

Modern C++

Multi-threaded systems

Design patterns

Analytical skills

Problem-solving skills

Job description

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Client:

IT Search

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Other

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EU work permit required:

Yes

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Job Views:

7

Posted:

07.06.2025

Expiry Date:

22.07.2025

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Job Description:

Senior C++ Software Engineer

Global FinTech

Remote (NI & RoI)

Permanent | Full-time

Market based salary + bonus & excellent benefits package

IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence.

We're looking for a Senior C++ Software Engineer to join a growing team focused on building and maintaining secure, high-throughput systems enabling real-time global payments.

In this role, you’ll work on the design and development of core backend components in modern C++, collaborating with a high-calibre team to ensure performance, scalability, and reliability in a demanding production environment.

This is a product-driven role offering strong ownership and the opportunity to shape how mission-critical financial systems are developed. You’ll be working in a collaborative environment with a strong emphasis on engineering best practices and long-term maintainability.

Key Requirements:

• Strong experience in modern C++ (C++11/14/17/20) in a production environment
• Deep understanding of performance-optimized, multi-threaded systems
• Experience with design patterns, object-oriented design, and refactoring techniques
• Proficiency in version control, testing, and peer code review practices
• Comfortable working with APIs and structured data (e.g. JSON, XML)
• Strong analytical and problem-solving skills
• Exposure to embedded systems or low-level systems development
• Background in C programming, particularly for system-level code
• Experience working in Linux environments
• Knowledge of regulated or security-critical domains (e.g. finance, telecoms)

If you're an experienced C++ developer looking to work on systems that make a real global impact, apply via the link or contact Graeme King at IT Search for a confidential conversation.