Senior C# .NET-developer

Role Description We are looking for a Senior C# .NET Developer for an assignment focused on further development and modernization of a Windows desktop .NET application within a client-server architecture. This is an opportunity for an experienced developer to contribute to the continued evolution of an existing application environment. Responsibilities Further develop and modernize a Windows desktop .NET application Work within a client-server architecture Design and integrate REST APIs Work with databases, including Entity Framework Core and SQL Requirements Minimum 4 years of experience working with C# and .NET development Experience with C# and .NET in Windows desktop applications using a client-server setup Experience designing and integrating REST APIs Experience working with databases, Entity Framework Core, and SQL Proficiency in Swedish or English Start / Duration Start: 2026-06 Duration: 13 months Location Lund, Sweden (hybrid, 3–4 days/week on-site) About Rasulson Consulting Rasulson Consulting is a specialized staffing and recruitment firm within the IT sector. We partner with established technology companies as well as innovative startups to offer attractive career opportunities for professionals looking to grow within digital development and IT. With our strong technical expertise and extensive network, we effectively match the right consultant with the right assignment. At Rasulson Consulting, you will receive personalized guidance, ongoing feedback, and the opportunity to take the next step in your career.