In 2012, she replaced Jana Berezko-Marggrander who withdrew from the competition due to injury in the 2012 European Championships, Jung finished 15th in the All-around.

She competed as the sole German gymnast at the 2013 European Championships in Vienna, Austria due to Berezko-Marggrander's illness.

Jung returned to competition at the 2014 Grand Prix Berlin where she finished 6th in all-around finals behind Kazakh gymnast Aliya Assymova.

Jung sustained an injury but returned to competition at the 2015 World Cup Final in Kazan, finishing 36th in the all-around.

On September 9–13, Jung competed at the 2015 World Championships in Stuttgart finishing 44th in the All-around qualifications and did not advance into the Top 24 finals.