Who We Are
Global Payments enables millions of buyers and sellers to move money securely across the globe. Our teams build the payment technologies that power businesses and financial institutions with speed, reliability, and trust. Join us and help shape the next generation of payment experiences used by merchants and customers worldwide.
Your New Position
As a Senior C++ Software Engineer, you will design and build the software powering our next‑generation countertop and handheld Genius payment terminals. These secure embedded devices process EMV contact, contactless, and mobile wallet transactions, integrating seamlessly with Point of Sale systems and payment gateways using modern web‑based protocols. You will play a leading role in technical design, implementation, and delivery, driving engineering excellence across the team.
What You Will Be Doing
Software Development & Delivery
Design, develop, and maintain C++ applications for smart‑card, NFC/contactless, and mobile payment flows
Implement secure, end‑to‑end transaction handling including cryptographic operations, key management, and digital signatures
Integrate terminal software with POS systems, payment gateways, and merchant applications
Write high‑quality, production‑grade C++
Troubleshoot, diagnose, and resolve complex defects across the embedded stack
Technical Leadership
Own delivery across the full SDLC: requirements, architecture, implementation, testing, and release
Lead by example in applying strong engineering principles: modularity, encapsulation, separation of concerns, high cohesion/low coupling
Conduct code reviews and champion design patterns, refactoring, and maintainability
Mentor, guide, and uplift the engineering team through coaching, knowledge‑sharing, and leading technical initiatives
Collaboration & Product Impact
Work closely with Product, test and other engineering teams to influence design decisions and ensure robust technical outcomes
Contribute to continuous improvements in tools, CI/CD, build systems, and team workflows
Participate in team events, hackathons, and technical workshops to strengthen collaboration and innovation
Who You Are
Strong expertise in C++ development
Degree in Computer Science or related field with 3+ years industry experience
Solid grounding in object‑oriented design, software architecture, and design patterns
Comfortable working in a fast‑moving environment with strong problem‑solving and communication skills
Able to work from home as preferred but also live within reasonable practical travel distance to Belfast for in‑person team events, hackathons, and collaboration days
Nice To Have
Awareness of PCI DSS, P2PE, or other secure payment/cryptography standards
Experience with embedded systems, Linux development, or customer‑facing payment devices
Kotlin or Android experience (including Jetpack Compose and android studio)
Experience working in Lean/Kanban environments
Python exposure
SQL experience
Our Embedded Tech Stack
Languages: C++
Tooling: Git, Jenkins, Android studio, CLion, Visual Studio
UI/Android: Jetpack Compose (where applicable)
Platforms: RHEL, Windows and virtualised dev/test environments
Security: EMV, cryptographic APIs, secure channel protocols, PCI DSS, P2PE
What We Offer
Competitive salary with performance bonus
Health, dental, and vision coverage
Pension plan and life insurance
Flexible and remote‑first working environment
Generous paid time off
Professional development and training opportunities
Employee assistance, wellbeing programs, and regular team events
