Senior C++ Software Engineer

• Pure Greenfield Projects
• Fully Flexible & Remote (Northern Ireland-Based)

Join an established, fast-growing global fintech company operating in the booming, fast-paced payments sector. The company’s core mission is financial access: building secure payment systems that deliver essential financial services to underprivileged and underbanked populations around the world.

This contract role combines real technical impact with complete project ownership, high visibility, and a strong, supportive team dynamic. Because the core engineering group is small and agile, your work will be seen, your voice will be heard, and your path for fast-tracked career progression is clear as the business continues its rapid global expansion.

• Take Ownership: Lead backend software projects end-to-end from initial technical design straight through to launch.
• Build Payment Systems: Design, build, and maintain low-latency, high-throughput systems powering international payment rails.
• Ship Greenfield Code: Develop brand-new features and components using C++, Golang, PHP, and HTML.
• Collaborate: Work closely with software developers, support teams, and external client partners to solve complex engineering challenges.

• 6+ years of hands-on C++ software development experience in production environments.
• Deep technical capability in multi-threaded programming and high-concurrency architecture.
• Strong expertise in REST API design principles and microservices integration.
• Solid experience working with relational databases and writing efficient, performance-tuned SQL
  .
• An independent problem-solver with a passion for clean, dependable code.

• Daily Rate: €250 per day (Contract).
• 100% Remote & Flexible: Complete remote work flexibility (candidates must be based in Northern Ireland).
• Fast Career Progression: High visibility, direct impact, and genuine room to advance your career quickly.
• High-trust, low-bureaucracy culture built around delivery and technical autonomy.