Medior ASP.NET MVC C#/.NET Developer

About the role

We are looking for a Medior ASP.NET MVC C#/.NET Developer to join our Web Team and help drive the digital evolution of SNCB/NMBS. You will work on scalable, user‑centric web platforms and integrate APIs and modern engineering practices.

Key responsibilities

• Develop robust .NET web components and APIs for modern applications.
• Monitor and improve frontend and backend performance, ensuring reliability and maintainability.
• Collaborate with UI/UX, architecture and integration teams to deliver real‑time data flows.
• Translate technical requirements into clean, efficient, scalable code and define coding standards.
• Ensure high quality through automated testing, code reviews and CI practices.
• Stay up‑to‑date with .NET trends and mentor junior developers.

Required profile

• Minimum 5 years of hands‑on ASP.NET MVC C#/.NET development.
• Strong knowledge of .NET 6+.NET Core, Web API and RESTful services.
• Experience with relational databases (SQL Server, PostgreSQL) and EF Core.
• Proficiency in CSS/SCSS, HTML5 and modern JavaScript frameworks (TypeScript, Angular, React).
• Good understanding of CI/CD pipelines, Git and Agile delivery.
• Excellent English communication; Dutch or French is a plus.

Required skills

• ASP.NET MVC
• C#
• .NET 6+ / .NET Core
• Web API & REST
• SQL Server, PostgreSQL
• Entity Framework Core
• CSS, SCSS, HTML5
• TypeScript, JavaScript, Angular, React
• Git, CI/CD pipelines

What we offer

• Hybrid work near Brussels‑South station with remote flexibility.
• 35 days of leave, company car and public transport ticket.
• Target bonus, comprehensive insurance and family health benefits.
• Meal, eco‑vouchers and allowances for remote work, car wash and internet.