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# Medior .NET Developer

- **Company:** Fenetre
- **Location:** Den Haag, Netherlands (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, ASP.NET MVC Framework, Microsoft Azure, C Sharp (Programming Language), Code Generation, Continuous Integration, Github, Open Web Application Security, Software Engineering, .NET Core, Backend, Vue.js, Front End Software Development, Restful APIs, Code Restructuring, Web Api
- **Published:** July 18, 2026
- **Apply:** https://nl.indeed.com/viewjob?jk=d9c56beb7c0b2cd1

## About the Role

Je werkt als .NET Developer met moderne technologieën (waaronder AI-ondersteuning binnen developmentprocessen) en krijgt de ruimte om je technisch verder te verdiepen binnen het Microsoft-ecosysteem. Daarbij word je ondersteund door ervaren collega's en een managementteam dat actief investeert in jouw professionele groei.

Dankzij onze Agile-werkwijze zie je snel resultaat van je werk. Je werkt vanuit onze moderne locatie in de Caballero Fabriek op de Binckhorst in Den Haag, met hybride mogelijkheden.

Bij Fenêtre ontwikkel je software op hoog technisch niveau en ben je betrokken bij alle fasen van het ontwikkelproces: van ontwerp en architectuur tot implementatie en optimalisatie.
Wat we verwachten

 * Ontwikkelen van applicaties met C# en .NET / .NET Core (bijv. ASP.NET Core MVC / Web API)
 * Ontwerpen en bouwen van RESTful API's.
 * Bekend met moderne frontend frameworks zoals Vue.js
 * Werken met CI/CD workflows (bijv. Azure DevOps, GitHub Actions)
 * Toepassen van security best practices (secure coding, OWASP-principes)
 * Doelgericht inzetten van AI bij development-taken zoals codegeneratie, refactoring, testen en documentatie, met behoud van technische regie
 * Goede beheersing van de Nederlandse taal (woord en geschrift).
 * Enthousiast, innovatief, leergierig en kwaliteitsgericht, met goede communicatieve vaardigheden.

## Description

Als Medior .NET Developer bij Fenêtre werk je aan hoogwaardige, schaalbare softwareoplossingen op basis van C# en .NET / .NET Core. Je ontwikkelt backend-architecturen, API-koppelingen en datagedreven applicaties en begeleidt jouw features van development tot productie.


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