We are looking for a Senior Backend Developer with several years of experience and a strong foundation in .NET and C#. Experience with Node.js is a plus. You should be familiar with cloud services (preferably Azure, but GCP or AWS also count), database design, API development, and modern architectures such as microservices and event-driven development. You enjoy solving complex backend challenges and have some ability to work in the full-stack world. Experience with CMS platforms like Optimizely, Litium, or Umbraco is beneficial. Interest or practical experience in AI is also highly valued. Fluency in both Swedish and English, spoken and written, is required. You like teamwork, solving challenges together with colleagues and customers, and are curious and open in your approach.