As an experienced C# developer (m/f/d) you are responsible for the maintenance of existing and the development of new software solutions, especially using C# and Microsoft technologies.

Apply now!

The DIAGONAL Group has evolved from a family business that has been in existence for 30 years with a focus on debt collection. Still owner-managed, we can now offer a broad portfolio of versatile services along the entire value chain of accounts receivable and receivables management. From payment solutions and pre-court dunning to the management of long-term debt collection cases, we ensure the all-round satisfaction of our clients.

We offer:

  • Development opportunities: As a company on a growth path, we also support you in your professional and personal development.
  • Future-proof employment: We offer you security in a large company.
  • Company pension plan: security for your retirement.
  • Flexible working hours: Together, we will think about how you can organize your working hours so that you can balance family, private life and career and still be motivated to achieve your professional goals.
  • Home office option: Of course, you can also transfer a good portion of your working hours to the home office. Talk to us about it.
  • Flat hierarchies: With us, you will find a “you” culture and approachable managers. They always have an open ear for your concerns and support you wherever they can.
Of course, that’s not all:
  • Family character and team events: We have a close team cohesion. We also regularly strengthen this outside working hours at team events.
  • Excellent structures: Our processes are very well organized, structured and digitized. This way you can work optimally and have an exact overview of your tasks.
  • Central office and top location: If you used to commute to Hamburg before, you can be happy because our office is located in the city center of Buchholz. So you have your home, stores and restaurants right nearby and save a lot of stress and time!
  • Free fruit and drinks: Fresh fruit and table water await you at your disposal.
  • E-bike leasing for the benefit of your tax return.
  • And many more attractive offers.

Areas of responsibility:

  • You develop robust and scalable software solutions using C# and Microsoft technologies – You integrate APIs and optimize existing software systems as well as programs developed with PHP scripting
  • You use SQL databases to ensure optimal performance and data integrity
  • You take charge of backend development with a focus on performance, data integrity and scalability
  • You are responsible for problem analysis, bug fixing and optimization of code base
  • You document code and technical specifications

Job Requirement:

  • You have a degree in computer science or an apprenticeship as an IT specialist for application development
  • You have in-depth knowledge of development with C# and Microsoft technologies, such as .Net, .Net Core, MVC and Blazor
  • You are familiar with PHP scripting and SQL databases
  • You are proficient in an internal specific scripting language (internal use)
  • You have solid backend development skills with a focus on code and solutions
  • You are a team player with an analytical, structured and efficient way of working
  • You speak fluent German and have a good command of English

Apply now!

Become part of our team!

Apply now!

How to reach us
How to reach us