System Integration Engineer – Greenfield IntegrationFintech | Modern Tech Stack | Rapid ExpansionAn exciting opportunity has opened for aSystem Integration Engineerto 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.Key ResponsibilitiesAnalyse, design, and optimise integrations with third‑party systems and platformsMap complex data structures, validate data flows, and troubleshoot integration issuesCollaborate with internal teams and external vendors to define requirements and deliver integration solutionsSupport full end‑to‑end testing and continuous improvement of integration processesWhat You Bring3–5 years' experience as a System Integration Engineer or Systems AnalystStrong hands‑on experience with SaaS platformsSolid knowledge of SQL, data mapping, RESTful APIs, and diverse integration workflowsAbility to work across multiple systems and communicate effectively with technical and non‑technical stakeholdersWhat's on Offer€80,000–€85, % bonus, 5% pension, private health insurance, Clear progression opportunities in a scaling, high‑impact environmentFor a confidential conversation, contactOlga Torresat or send your CV to.