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# Senior Software Engineer (C++)

- **Company:** IT Search
- **Location:** Belfast, UK (Remote available)
- **Experience:** Expert
- **Salary:** £35,000.0 - £40,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), C++ (Programming Language), Code Review, Information Technology Consulting, Software Design Patterns, JSON, Linux System Administration, Object-Oriented Software Development, Systems Development Life Cycle, Software Engineering, Extensible Markup Language (XML), Multithreading, Backend, Information Technology, Api Design, C++14, Code Restructuring, Software Version Control
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840619622-senior-software-engineer-c

## About the Role

* 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)

## Description

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.


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