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# Senior .NET Developer

- **Company:** Schuberg Philis
- **Location:** Eindhoven, Netherlands
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Multitier Architecture, Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Microsoft Azure, Business Software, C Sharp (Programming Language), DevOps, Software Engineering, SQL Databases, GitHub Copilot, Backend, Information Technology
- **Published:** July 15, 2026
- **Apply:** https://www.adzuna.nl/details/5754985686

## About the Role

* Fluency in Dutch
 * 5+ years of hands-on backend experience, mainly in C#/.NET.
 * Solid understanding of software design (DDD, clean architecture) and automated testing.
 * Experience building cloud-ready services using SQL and modern APIs (REST/gRPC).
 * Interest in working with existing systems and making them future-proof.
 * Curious about using tooling like GitHub Copilot or other AI assistants to support your work.

If you enjoy solving real, messy problems in production-grade systems and like seeing what you build run reliably in the real world, this role is for you.

## Description

At Schuberg Philis, we create, deliver and operate mission-critical IT systems where reliability, security and quality are absolute priorities. We take full ownership across the entire lifecycle - from initial planning through development to ongoing operations - ensuring systems perform consistently under all conditions. Our engineers work in environments where failure is not acceptable and maintaining high standards is essential.

We are looking for a Mission-Critical Software Engineer (.NET) to help rebuild a complex business application into a modern, cloud-native solution on Azure.

You will work in a small team of engineers to analyse existing functionality, design clear and robust .NET services and APIs, and prepare the system for long-term, reliable operation. We make strong use of automation and GenAI-assisted tooling to speed up understanding and refactoring, but engineering judgement remains central.

Your work will include

 * Designing and implementing backend services and APIs in C#/.NET (Core/6+).
 * Translating existing business rules and workflows into clean, testable code.
 * Adding tests and observability to ensure behaviour and performance remain correct during migration.
 * Collaborating with Azure/DevOps engineers on deployment, security and runtime concerns.
 * Helping define patterns and standards for a modular, maintainable target architecture.


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