Stack Holdings GmbH

We are a privately owned, fast-growing tech company based out of 1010 Vienna. In early 2015 Julian and Paul Zehetmayr, two brothers and Co-Founders, started building a diverse set of well-performing, highly scalable micro-service APIs to help businesses and developers around the world automate complex processes, such as currency conversion, file conversion and different types of data validation. In the course of almost seven years, the brothers scaled their portfolio to a total of 20 market-l...