ReTest GmbH

About us

Founded in 2017, retest is a VC-funded software startup that will make software testing as simple and efficient as possible. It uses the revolutionary testing paradigm difference testing together with smart algorithms and AI to create innovative testing solutions. 

For companies:

Do you want to test more comprehensively and efficiently? With our innovative approach, the biggest hurdle in automatic test generation, the determination of validation rules, is mastered elegantly and the test effort is reduced to a minimum. Software testing can be done faster, easier, more comprehensive, and cheaper than before. This leads to a lasting assurance of the quality of your software.

Want to know more? Write us on and get the demo version of our software and a free consultation upon request. You can make a difference daily!

For applicants:

Are you looking for an internship, work student job or a permanent position? Do you have solid knowledge in Java programming? Or you are interested in participating in exciting marketing and sales projects? With us you have the opportunity to help shape the company and the future!

Send us a short application to and become part of our team.


ReTest GmbH

Haid-and-Neu-Straße 7

76131 Karlsruhe

Commercial Register: Amtsgericht Mannheim, HRB 727558

Managing Director: Dr. med. Jeremias Roessler and Martin Vietz

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