Career
Born in Berlin, Germany, Zwick played for Teltower FV 1913, a youth football team, from the age of seven. Zwick began his career as a left midfielder, before becoming a goalkeeper in 2007. He moved to Hertha 03 Zehlendorf in 2009.
Zwick signed for his first professional football club in 2014, playing for the development squad of Dundee United as an amateur.
In 2015, he signed a professional contract with the club He made his senior début on 2 August 2015, in a 1–0 loss to Aberdeen in the opening match of the 2014-2015 Scottish Premiership season.