Full Stack Senior .NET Developer

Your responsibilities

• Design, develop and maintain backend‑driven web and API solutions using .NET Core, C#, ASP.NET (Web API / MVC).

• Maintain and modernize existing legacy applications (WPF / WinForms) and contribute to migration strategies towards more modern architectures.

• Translate functional needs into technical solutions and work independently on complex challenges.

• Build and consume REST APIs and ensure secure integration between systems.

• Contribute to frontend development using React and/or Blazor, in collaboration with designers and other developers.

• Ensure code quality through testing, reviews and documentation.

• Act as a senior reference point in the team and mentor less experienced developers.

• Think along about technical direction, architecture and future evolutions.

Your profile

• 7–10 years of experience as a developer in a .NET environment.

• Strong experience with .NET Core, C#, ASP.NET, Entity Framework.

• Experience with React and/or Blazor.

• Familiarity with legacy Microsoft technologies (WPF / WinForms) or a strong willingness to learn and work with them.

• Experience with REST APIs and application security concepts.

• Experience with CI/CD and Git; knowledge of containerization (Docker, OpenShift, Kubernetes) is a plus.

• Interest in cloud technologies (Azure is a plus).

• Strong problem‑solving skills, autonomous working style and sense of ownership.

• Ability to reflect on complex problems and know when to seek alignment.

• Fluent in English; Dutch is a plus.

Our offer

• A comprehensive mobility program that supports work-life balance.

• Continuous learning and professional development opportunities.

• A dynamic, innovative environment with real opportunities for growth.

• A people-centric culture with a strong focus on wellbeing and health initiatives.