System Integration Engineer – Greenfield Integration

An exciting opportunity has opened for a System Integration Engineer to join one of Ireland’s fastest‑growing companies at the intersection of Fintech. With €30M in recent investment and rapid expansion across Ireland and the UK, the organisation is scaling its integration function and hiring for a high‑impact, greenfield role.

In this position, you’ll take full ownership of third‑party integrations across core operational systems, external platforms, and financial applications. You’ll work hands‑on with modern SaaS platforms to ensure stable interfaces, clean data flows, and scalable integration patterns.

You’ll lead the end‑to‑end integration lifecycle, supporting customer onboarding, coordinating across multiple systems, and driving system migrations as the business grows. Working closely with cross‑functional teams, you’ll play a central role in delivering reliable, well‑architected integrations that directly influence product performance and customer experience.

This is a high‑visibility role with a clear path toward future leadership as the integration landscape continues to expand.

• Analyse, design, and optimise integrations with third‑party systems and platforms
• Map complex data structures, validate data flows, and troubleshoot integration issues
• Collaborate with internal teams and external vendors to define requirements and deliver integration solutions
• Support full end‑to‑end testing and continuous improvement of integration processes

• 3–5 years’ experience as a System Integration Engineer or Systems Analyst
• Strong hands‑on experience with SaaS platforms
• Solid knowledge of SQL, data mapping, RESTful APIs, and diverse integration workflows
• Ability to work across multiple systems and communicate effectively with technical and non‑technical stakeholders

For a confidential conversation, contact Olga Torres at  or send your CV to olga.torres
.