Kaufmann joined
FC Balzers senior side in 2008, and
USV Eschen/Mauren in 2010. He spent his whole career in Liechtenstein teams, with only a short bracket in Swiss-Italian team
Chiasso, during 2016-17 season. On 28 October 2021, he announced his retirement (to be effective as per following December) leaving both international and club activities at the age of only 30. ==International career==