Senior Software Engineer (C++)

IT Search; Belfast; Remote; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Market based salary

Bonus

Excellent benefits package

Job summary

A leading recruitment firm is seeking a Senior Software Engineer (C++) in Belfast, Northern Ireland. The role involves designing and developing backend components for real-time payments systems in a collaborative environment. Strong experience in modern C++ and problem-solving skills are essential. This position offers a market-based salary, bonuses, and benefits.

Qualifications

• Strong experience in modern C++ in a production environment.
• Comfortable working with APIs and structured data.
• Experience with embedded systems or low-level systems development.
• 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).

Responsibilities

• Design and develop core backend components in C++.
• Collaborate with a high-calibre team.
• Ensure performance, scalability, and reliability.
• Own architectural decisions for mission-critical systems and maintainability.

Skills

Modern C++ (C++11/14/17/20)

Multi-threaded system optimization

Design patterns

Version control and testing practices

Problem-solving skills

APIs and structured data (JSON, XML)

Experience in Linux environments

Embedded systems

Education

Relevant Degree in Computer Science or related field

Tools

Git

Job description

IT Search Belfast, Northern Ireland, United Kingdom

Senior Software Engineer (C++)

IT Search Belfast, Northern Ireland, United Kingdom

3 days ago Be among the first 25 applicants

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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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