Senior .NET Developer

Location: Saint-Josse-Ten-Noode

About the Role

As a Senior .NET Developer, you play a key role in designing, developing, and maintaining robust software solutions based on Microsoft technologies. You bring in-depth technical expertise, ensure code quality, and act as a technical mentor for the team.

Responsibilities

· Actively participate in the development of software components in .NET (Framework and Core)

· Design scalable and maintainable solutions in collaboration with the architecture team

· Provide technical coaching to team members and contribute to a culture of excellence

· Conduct code reviews and ensure best practices

· Analyze functional needs and translate them into technical solutions

· Ensure the quality, performance, security, and maintainability of applications

· Optimize system performance

· Evaluate and integrate new technologies that align with business objectives.

Technical Requirements

· Minimum 7 years of experience with strong expertise in C#/.NET (Core, .NET 10) and developing scalable enterprise applications.

· Expert in ASP.NET Web API with extensive experience building enterprise-grade APIs.

· Expert-level proficiency in Entity Framework Core for data access and ORM implementation.

· Extensive experience with ASP.NET MVC application development.

· Hands-on experience implementing authentication and authorization using JWT, OpenID Connect (OIDC), and claims-based security.

· Proven experience designing and consuming RESTful APIs.

· Experienced with Swagger/OpenAPI for API documentation and integration.

· Strong working knowledge of SQL Server and database design.

· Practical experience with unit and integration testing to ensure application quality.

· Working knowledge of Blazor with hands-on experience in recent projects.

Soft Skills

· Critical information analysis and integration

· Structured and solution-oriented thinking

· Creativity in devising alternatives and drawing correct conclusions

· Technical leadership and collaboration

· Resilience and adaptability to technical or contextual changes

Language Requirement

· Fluent in one of the two national languages: FR or NL (level C2*)

· Very good level of English (level C1*)