Certificates
Stefan Dirnstorfer
CTO
he
Stefan Dirnstorfer is the CTO at testup.io, where he focuses on creating an entirely visual workflow for test automation. With many years of experience as a software developer, he has now dedicated himself to a new mission in software quality assurance.
Awarded for:
Achieving one or more Community Stars in five or more unique months
Catch the on-demand session with gaming legend John Romero and see how we’re redefining software quality at AI speed.
How are teams like yours balancing speed, quality, security, and AI in 2026? Download your copy and get real insights.
Test complex APIs and microservices smarter—with confidence.
Better than a generic video, see YOUR test, live, ready to show you what matters most: quality at scale.
With servers in >250 cities around the world, check your site for localization problems, broken GDPR banners, etc.