[4][5] In early December of the same year, he joined the first team under coach Igor Duljaj.
[9][10] A few days later, he made his debut in the Serbian SuperLiga, coming on as a substitute for Kristijan Belić in the 78th minute of a match in the 18th round against Radnički Niš at Čair Stadium.
[11] Jovanović made his debut for the Serbian national under-15 team in May 2021, in a two-leg match against his peers from Bosnia and Herzegovina.
[12] In August 2023, he received an invitation from Aleksandar Luković for the under-18 team against his peers from Italy.
[13] In that match, he stepped onto the field after one hour of play, and Serbia was defeated by a score of 3–0.