Stojanović is a member of the Socialist Party of Serbia (Socijalistička partija Srbije, SPS).
He was raised in the community and later graduated from the University of Belgrade's Faculty of Science and Mathematics.
The Socialists won a majority victory in the city, and he served as deputy president of the assembly for the term that followed.
[2][3] He appeared in the 224th position (out of 250) on the Socialist Party's electoral list for the 2000 Serbian parliamentary election, which was held just after Slobodan Milošević's fall from power.
[7] In the parliament that followed, the SPS provided outside support to Serbia's coalition government under prime minister Vojislav Koštunica.
[11][12] Serbia's electoral laws were reformed in 2011, such that all mandates in elections determined by proportional representation were assigned to candidates on successful lists in numerical order.