.NET Developer in Cologne

We want you!




As of now!

About us

sunzinet is a full-service Internet agency for sophisticated digital communication solutions. During the last years, the company has grown with its 75 talents/employees.

As an owner-operated agency, it is a personal matter that our employees feel comfortable, take pleasure in working together and develop consistently. This is the only way to attain a steadily high motivation, which in turn is of benefit to our clients. For this purpose, we create a suitable environment – as for instance:

  • Subsidization of the operational retirement arrangement
  • We offer flex time (core time: 10am – 4pm)
  • Free drinks (and on Fridays at 5pm: Beer!)
  • Promotion of in-house and extern education (WAK, seminars and others)

We have much to do. Therefore, sunzinet offers the ideal environment for enthusiastic employees who are up for career and want to be rewarded for their outstanding dedication. Shape your future in one of Cologne’s leading Internet agencies.

Scope of work

We predominantly focus on the implementation and development of editorial systems like TYPO3 as well as on the creation of stand-alone solutions and apps – by use of content management systems, with the help of Zend framework or .NET framework.

As a web developer and programmer, you conceive innovative ideas and develop complex and various solutions together with your co-workers. You are always integrated in young and friendly teams with whom you will lead the project to success. We are the agency which ensures that your codes are created in a harmonious environment – among cordial and gentle people.


  • Professional practice/alternatively successful completion of the training
  • Solid to excellent knowledge in .NET framework and in .NET development 
  • Good knowledge of PHP, HTML, MySQL, CSS and IQuery
  • Good knowledge in dealing with Typoscript
  • Knowledge in practical experiences in TYPO3/development of TYPO3 extensions
  • Knowledge of Extbase and Fluid desirable
  • Experiences in UML, TDD, OOP desirable
  • High level of qualitative aspiration for all developments
  • Agency experience desirable

If you are also reliable, used to work independently and able to fit into a team, we will offer you great job prospects at sunzinet. Please let us know your earliest possible start date as well as your salary expectation.

We look forward to your application!