Principal Software Engineer II - .NET (Remote - Ireland Based) Location: Dublin / Remote Salary: €100,000 DOE + Bonus + Benefits Tech Stack: .NET, SaaS, APIs, Cloud, Architecture, Leadership We're working with a global payments company that's actively scaling their Irish tech presence. They're hiring a Principal Software Engineer II to lead key platform development efforts while remaining hands-on with code. This is a technical leadership role, offering real ownership across architecture, delivery, and engineering standards. Responsibilities: Design and deliver scalable, real-time systems supporting APIs, billing, and onboarding Remain hands-on, contributing up to 50% of the time in .NET Provide technical direction across multiple teams and capabilities Shape architectural decisions and contribute to the tech roadmap Drive best practices across documentation, performance, and delivery standards Ideal Profile: 10+ years of experience in software engineering and enterprise architecture Expertise in .NET, with strong SaaS and API platform experience Skilled in system integration, cloud-native design, and high-volume processing Comfortable leading technical teams and coaching engineers Previous experience in the payments space is a strong advantage What's on Offer: Competitive salary (€100k) + performance bonus and full benefits Remote-first flexibility (Ireland or UK based) High-impact work with autonomy and product ownership Collaborative, modern engineering culture Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: .net XML SQL CLOUD API Benefits: Work From Home