Full Stack Engineer – Payments (Remote/Dublin)

About the role

We are looking for a Full Stack Engineer to join NoFrixion’s Payments team. The role can be performed remotely or from our Dublin office and focuses on building and maintaining the backend and frontend services that power modern enterprise money operations.

Key responsibilities

• Design and implement high‑quality backend services in C#/.NET that support our API and customer portals.
• Contribute across the full stack, including frontend, backend and platform components.
• Work with APIs, micro‑services, webhooks and event‑driven architecture using RabbitMQ.
• Integrate with financial networks and compliance providers such as SEPA, SWIFT, KYB/KYC and AML platforms.
• Develop new features for the API, Compliance Portal and Operations Portal in close collaboration with Product and Platform Engineering.
• Write robust, testable code with strong security and regulatory awareness.

Required profile

• Proven experience with .NET (version 8 or later) and C#.
• Solid understanding of SQL Server and relational databases.
• Familiarity with JavaScript/TypeScript and modern web development.
• Experience building APIs, handling OAuth flows and working with HTTP protocols.
• Knowledge of payment systems, banking or fintech environments is a strong plus.

Required skills

• .NET / C#
• SQL Server
• JavaScript
• TypeScript
• API development
• OAuth
• RabbitMQ
• Docker
• Kubernetes
• React
• Azure DevOps
• PostgreSQL
• MediatR
• Azure
• AWS