Senior Software Engineer (C++)

IT Search Belfast, Northern Ireland, United Kingdom

Senior Software Engineer (C++)

IT Search Belfast, Northern Ireland, United Kingdom

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Principal Recruitment Consultant | IT Search

Senior Software Engineer (C++)

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 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)

Apply via the link or contact Graeme King at IT Search for a confidential conversation.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  IT Services and IT Consulting and Software Development

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