Within the probation period, you dont need a reason, its fire-at-will. After those 6 months, it will be almost impossible to fire anyone for "performanc

Within the probation period, you dont need a reason, its fire-at-will. After those 6 months, it will be almost impossible to fire anyone for "performance reasons" (or any other reason). Have you ever heard of a large german Software company that makes quality software? There is your reason :)