Jungwirth became a member of the U-23 squad during the 2007–08 season, making his senior debut with a start on 15 September 2007 in a 3–0 victory at home against VfR Aalen.

However, after making only eleven appearances for Dresden, he tore his cruciate ligament on 10 April 2010 during a match against FC Ingolstadt 04 and thus was sidelined until October.

Darmstadt coach and former MLS player Torsten Frings tried to block his move and criticized him heavily in the media after leaving him out of the squad in what ended up being a 6–1 defeat at home to 1.

[10] On 6 August 2021, Jungwirth was traded to the Vancouver Whitecaps FC in exchange for $200,000 in General Allocation Money and a further $100,000 in conditional GAM.

[12] On 27 January 2023, Jungwirth announced his retirement from playing professional footballer, and was named an assistant coach for Vancouver's first team.

[14] Jungwirth is known for his animal welfare work and specifically his efforts aiding the rescue of dogs from Spanish kill shelters.

[17] As of 27 February 2018, Jungwirth holds a U.S. green card, qualifying him as a domestic player for MLS roster purposes.