Job offer

App Developer / Sales Engineer

Are you on our radar?

  • You want to create and develop advertising products and solutions for one of the most used apps?
  • You are interested in app development in the iOS and Android team and working with Adserving systems?
  • You have a knack for recognising potential for improvement and would like to implement appropriate optimisation measures?
  • You can imagine working as an interface between sales and product development and enjoy interdisciplinary work?
  • The creation of test versions as well as the evaluation of analyses and reports is your specialty?

We have the job for you!

App Developer / Sales Enginer


Weather is more

Around 150 employees at WetterOnline’s locations in Bonn and Bornheim and branches in the UK and the USA not only ensure a particularly precise weather forecast, but also a good working climate. As App Developer / Sales Engineer you are the interface between product development and sales. You will develop custom-fit advertising solutions and support the monetisation of one of the highest-reach offers. WetterOnline reaches more than 30 million users worldwide and markets over 500 million visits per month.

To succeed with us, you will need:

  • Experience in app development for iOS and Android
  • the ability to write clean, structured, and maintainable code
  • a very good, analytical way of thinking and strong communication skills
  • Interest in monetisation issues
  • Ideally, prior experience in the Adserving sector

The following development environment awaits you:

  • Free choice of your hardware and software
  • Programming languages: Swift, Kotlin
  • Tools: GitLab, Git

This is what we also offer you

The wishes for work-life balance are as individual as the people who work for us. That’s why we offer you various opportunities to shape your working day according to your needs – from flexible working time models to health care.

We’ll listen to you, we promise.

Mejgan Baumann

Mejgan Baumann


Romina Klein

Romina Klein