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App Developer

You enjoy developing user friendly applications for PCs, smartphones and tablets? Are you interested in developing apps to the highest standard for sensitive market segments?

You have a sound understanding of the communications technology needed in the operation of internet protocols?

Then apply now to become the newest member of our team in the role of:

App developer (m/f/d)

As a leading company for the Internet of Things we work hand in hand with some of the foremost international brands in their field to develop applications aimed at remotely operating and visualising processes for a diverse range of devices and machines.

Help us in making these applications even better!

With flexible work hours and home office options SEVENSTAX is now aiming to recruit a motivated and bright app developer to become the newest member of our team ASAP.

Your responsibilities

  • Developing objectives, design, specifications and outlay calculations for our app development projects
  • Developing apps aimed at supplementing our IoT software solutions
  • Manual and automated testing of our development results
  • Optimising our app development processes in close cooperation with our testing and process management teams
  • Communicating with our clients to provide continuous support, the development of objectives, etc.

About you

  • Have a completed degree preferably in computing, electronics or similar (e.g. Bachelor or higher)
  • Multi-year experience in the software development industry
  • Working knowledge of programming languages JAVA, Swift, C++, JavaScript
  • Experience with web technologies (HTML5, CSS, JavaScript) and frameworks for hybrid apps (Cordova, etc.)
  • Knowledge about internet protocol stacks
  • Past experiences with automated app testing (Appium, etc.)
  • Good German and English skills round off your profile


Don’t quite fit the profile but still think you have what it takes? Convince us!



Why should you become part of our success story?

SEVENSTAX is an experienced but youthful team specialised in state of the art communications technology. Whether electromobility, Internet of Things, Cybersecurity or Industry 4.0- we always operate at the forefront of technological innovation and supply some of the biggest international brands in their industries.

As a part of SEVENSTAX you will routinely come into contact with cutting edge technology and work with the newest software. You will have the freedom to integrate your own ideas and develop creative solutions to our projects in close contact with your colleagues, some of the brightest minds in software development. One of our core principles is a welcoming work environment and informal tone no matter the seniority! As a result our employee satisfaction has been fantastic for more than 20 years- whether you’re new or an experienced colleague, we value team spirit and fair play. Since 2020 we have increasingly promoted our home-office and flexible work options.

Interested? Then join us on our journey through the Internet of Things!

Send your application to: bewerbungsevenstaxde