If you want to experience hell, start working here - Mitarbeiter (anonym) bei People Tech Group: Mitarbeiterbewertung

The CEO shouts at almost everyone he can find. Employees are treated as slaves. If you are a calm person only three things can happen: 1 you will learn shouting at your coworkers, 2. You will get some mental problems, 3. You will resign. If you think what I am saying is not true then be a volunteer experience it and write a review be happy to resign and start living your life once again.