Jovanov joined the Democratic Party of Serbia (Demokratska stranka Srbije, DSS) in 2001 and held several leadership positions in the party, including president of its provincial board in Vojvodina and vice-president at the republic level.[3]
Jovanov received the fourth position on the DSS's electoral list in the 2012 Vojvodina provincial election and was elected to the assembly when the list won four mandates.[4][5] He resigned from the DSS in 2015 and later joined the Progressive Party.[6][7]
Jovanov received the eleventh position on the Progressive Party's list in the 2016 Vojvodina provincial election and was elected to a second term when the list won a majority victory with sixty-three mandates.[8] In the 2016–20 sitting of the assembly, he served as president of the Progressive Party's group of deputies, was vice-president of the committee on issues on the constitutional and legal status of the province, and was a member of the committee on regulations.[9] He was elected as a vice-president of the Serbian Progressive Party in 2016.
Jovanov was given the lead position on the DSS's list for the Kikinda municipal assembly in the 2012 Serbian local elections[10] and was elected when the list won two mandates.[11] He received the eleventh position on the Progressive Party's list in the 2016 Serbian local elections[12] and was re-elected when the list won a majority victory with twenty-six out of thirty-nine mandates.[13] He was not a candidate in 2020.
Jovanov received the twenty-second position on the Progressive Party's Aleksandar Vučić — For Our Children list for the 2020 Serbian parliamentary election[14] and was elected when the list won a landslide majority with 188 mandates. He is now a member of the assembly committee on constitutional and legislative issues, the leader of Serbia's parliamentary friendship group with Norway, and a member of the parliamentary friendship groups with Israel and Romania.[15] Jovanov served as the vice president of SNS until 2021.[16]
