[2] On 13 August 2014, he made his first-team debut in the German Supercup, playing the full 90 minutes as Bayern lost 2–0 against Borussia Dortmund.
[3][4] He made his league debut in the first match of the 2014–15 Bundesliga season as a starter against VfL Wolfsburg.
[7] Gaudino made his Champions League debut on 10 December 2014 in a 3–0 home win against CSKA Moscow.
[13] Young Boys won the league on 12 April after FC Basel dropped points against Grasshoppers.
[18] On 31 January 2022, Gaudino moved to Austrian club Rheindorf Altach on loan until the end of the season.