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Software Testing & Tool Development

You have previous experience and enjoy qualifying software? You want to submit complex software stacks to rigorous tests?

You have an interest in communication protocols and embedded systems?

You’re looking for a familiar work environment in some of the nicest offices in Hannover?

Then apply now for the role as SEVENSTAX’s:

Software Tester in IoT (m/f/d)

and become a part of a dynamic team which develops innovative software for tomorrow’s device communication.

As part of this position you will have the opportunity to completely rework our protocol stacks, applications, drivers, etc. You will develop module, integration and systems tests while supervising our automated test system and our Continuous-Integration-Process. You will be working in a tightly knit team with our process managers and together you will produce software that meets the stringent requirements of particularly sensitive market segments such as the automotive or railway market and can be applied by our leading international partners.

With flexible working schedules and home-office options SEVENSTAX is now looking for a confident and motivated colleague to become the newest member of our team ASAP.

Your tasks

  • Implementing new and reviewing existing test case
    • Includes unit tests, integration tests and system tests
  • Developing and operating Conformance Test Suites for protocol stacks
  • Supervising of our Continuous-Integration-Processes
  • Creating test plans, test case reviews and the appropriate documentation of test results
  • Work in close proximity to our development team and process management team
  • Implementing and operating Fuzzing Tools for our penetration testing

About you

  • Have a completed undergraduate degree or higher, preferably in computing, electronics or similar
  • Multi-year experience in the field of software development
  • Practical experience in programming (Python, C, etc.)
  • Familiar with internet protocol stacks
  • Good working knowledge of TTCN-3, Google Test, or comparable testing applications
  • Proficient German and English skills complete your profile


Don’t quite fit the profile but still believe 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