As a Backend .NET developer you will play an important role in the company's future. You will be a key figure when it comes to developing new products, keeping already existing applications up-to-date and coming up with new ideas and innovations to bring the company even further. Besides these tasks, you will be the point of contact for the less experienced developers who are seeking for help and input for their development job. In conclusion you could say that your effect on the company will be large!
Within the development team, you will focus on the development of the backend of the applications. This means that you will be working with C# .NET, SQL Server and Entity Framework. In case you will occasionally help with the frontend, you will be using either AngularJS or EmberJS.