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*)