It's a software job. Here is Google's translation:
"We are looking for someone to strengthen our development team
Software developer
Your tasks include the further development and maintenance of our platform-independent software framework and the embedded and desktop applications for our products.
Your profile:
• You are fluent in C / C ++
• You have experience with larger software projects
• You have a good knowledge of at least one of the following platforms: Windows, Mac OS X, iOS
• You are a team player and ideally have a musical background
We offer an exciting job in the music industry, a friendly and creative working environment, as well as the opportunity to contribute your own ideas and actively shape the entire product development process.
If you want to become part of our team, send us your brief application using our contact form."