Senior C/C++ Software Engineer
Location: Belfast/Hybrid
Employment Type: Full-time, Permanent
Salary: Competitive, depending on experience
About the Role
An exciting opportunity has arisen for an experienced Senior C/C++ Software Engineer to join a leading global organisation at the forefront of secure and innovative payment technology.
Key Responsibilities
· Design and develop applications that support traditional card and emerging mobile payment technologies (e.g. Chip and PIN, Apple Pay, Android Pay, Samsung Pay)
· Write high-quality, maintainable production code in C++ and C
· Develop secure software solutions using hardware acceleration and trusted computing modules to protect sensitive payment data
· Implement secure end-to-end transactions using cryptographic algorithms and digital signatures
· Participate in all stages of the software development lifecycle — from requirements and design through to testing and release
· Work closely with stakeholders to understand customer requirements and contribute to shaping the product from an engineering perspective
· Contribute ideas and solutions in technical workshops, balancing innovation with practicality
· Troubleshoot, debug, and improve existing systems and processes
· Adhere to internal coding standards and best practices
· Mentor and support junior engineers within the team
Criteria:
· Degree (BSc or MSc) in Computer Science or a related field
· Proven experience in C++ or C development (with the ability to transition from C to C++ if required)
· Experience with one or more of the following: XML, JSON, HTML
· A genuine passion for software development and continuous learning
· Strong analytical, problem-solving, and organisational skills
· Excellent communication skills and the ability to work collaboratively in a team environment
· Proactive, detail-oriented, and comfortable working in a fast-paced environment
· Eligible to work in the UK on a full-time, permanent basis
If you are interested in hearing more or being considered for this role, apply here or contact Sophie Keogh at Cpl NI.
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