Senior .NET Software Engineer

About Brainsquare Brainsquare designs, develops, integrates and manages business-critical applications. We combine technical expertise with a practical understanding of our customers’ operations, helping teams build and maintain reliable software. Your mission As a Senior .NET Software Engineer, you will join an experienced development team working on business-critical applications in Antwerp. You will design and develop backend components and REST APIs using C# and .NET 8. Working within the existing architecture, you will translate requirements into reliable, maintainable solutions and take ownership of your work from technical design through implementation. This long-term assignment combines hands-on development with close collaboration. You will contribute to technical decisions, share your expertise and help the team deliver high-quality software. Your main tasks - Take ownership of the technical design and development of backend components. - Develop and maintain REST APIs using C# and .NET 8. - Implement data access with Entity Framework and work with SQL databases. - Apply SOLID principles, Clean Architecture and dependency injection to deliver maintainable code. - Investigate technical issues and translate findings into practical solutions. - Collaborate with the technical lead and other team members on implementation choices and integration requirements. - Contribute to code quality through reviews, unit testing and automated testing practices. - Communicate progress, technical decisions and delivery risks clearly.