Atcon Global - Senior .NET Developer

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*)