After he overgrown youth team, Miladinović was loaned to the satellite club Tabane for two spells in 2013 and 2014, making 14 appearances with 3 goals in each.

[3][4] At the beginning of 2015, Miladinović joined second tier club Sloga Kraljevo as a loaned player until the end of 2014–15 Serbian First League season.

[9] After Vukašin Tomić left the club at the beginning of 2017, Miladinović ended the 2014–15 Serbian First League season as a team captain.

[10] At the beginning of 2017–18 season, Miladinović moved to Serbian SuperLiga side Radnički Niš, penning a three-year professional contract.

[13] On 27 July 2021, he joined Russian Premier League club FC Nizhny Novgorod on loan from PFC Sochi.