Application Developer – C# & .NET Core

EDITX BVArr. de Bruxelles-Capitale/Arr. Brussel-HoofdstadEURESpublished 09/02/2026
Must-have:JavaScriptC#HTMLCSSFrontendBackendAgile

Responsibilities

  • Translate complex functional requirements into robust technical application features.
  • Develop backend components and logic using the .NET framework.
  • Build and maintain responsive user interfaces using modern frontend libraries.
  • Design and integrate RESTful web services to ensure system connectivity.
  • Manage and query application data within a SQL Server environment.
  • Collaborate with the development team following Agile and sprint-based methodologies.
  • Author technical documentation to support application maintenance and updates.

Requirements

  • 1+ years of backend development experience using C#, .NET Core, and ASP.NET.
  • 1+ years of frontend development using HTML, CSS, JavaScript, jQuery, and Bootstrap 5.
  • Experience with data integration using REST Webservices and SQL Server.
  • Knowledge of version control systems such as SVN.
  • You possess the ability to interpret detailed functional analyses in a professional environment.
  • You are proactive and solution-oriented.
  • You are fluent in French with passive knowledge of Dutch and English.

Nice to Haves

  • Experience working within Agile and Sprint frameworks.
  • Willingness to write technical documentation in English.

Contact person

Listed by the employer in the job posting — for questions and your application.

  • Jan Vanden Boer