About this role
Développeur·se C# Senior / Fullstack (.NET) at Koesio. Location: Valence, Auvergne-Rhône-Alpes, France. Role: developing features, documenting APIs, deploying modules Requirements: 3–5+ years .NET development experience with C#, Web API, ASP.NET MVC, SQL Server; Visual Studio and Git; full lifecycle (design→dev→tests→deploy) on Windows/Linux; API documentation and clean code practices. Category: Software Development Seniority: Senior Level Tools: C#, Web API, ASP.NET MVC, .NET Framework 4.7.2, SQL Server, Visual Studio 2022, Git, JavaScript, .NET 8, PHP, DevOps, Postman, Windows, Linux Commitment: Full Time, Contract Workplace: Hybrid Languages: French, English