Stef Janssen
Applicatiebeheerder .NET
Antwerp Metropolitan Area Belgium
Summary
👤
Senior🎓
Top SchoolStef Janssen is an experienced .NET application manager and backend developer with 11 years working across Belgian organizations, currently focused on .NET application management at Belgoprocess. He brings deep hands-on expertise in C# and VB.NET across .NET Framework (2.0–4.7.2) and .NET Core, with practical experience in WinForms (CAB), ASP.NET Web API, EF Core and Service Fabric. Stef has a strong database and tooling background (SQL/Oracle, Visual Studio/SSMS) and has delivered business-critical components and reporting solutions in regulated environments. He moves comfortably between legacy .NET ecosystems and modern API-based architectures, often bridging maintenance and modernization efforts. Based in the Antwerp metro area, he pairs a steady consultancy track record with a pragmatic, operations-minded approach to keeping applications reliable in production. Beyond coding, his career shows a consistent focus on maintainability and incremental modernization rather than chasing the latest frameworks.
11 years of coding experience
Getuigschrift, Math (6h) - science, Getuigschrift, Math (6h) - science at Sint-Jan Berchmanscollege MolBachelor, Information Technology, Bachelor, Information Technology at Katholieke Hogeschool KempenLagere school
Dutch, English, FrenchGithub contributions (5)
Quixotte/TractableStef
Jul 2015 - Aug 2015
Contributions:241 pushes, 1 branch in 25 days
Quixotte/rpg-cards
Sep 2019 - May 2023
Contributions:8 pushes, 1 branch in 3 years 8 months
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