Career
Rustemović started his career at FK Drina Zvornik where in January 2012 he got awarded among the 10 best sports people from the town of Zvornik for the year 2011. He made his debut in the 2010-2011 Premier League of Bosnia and Herzegovina with Drina. In summer 2012, he came on trials at FK Vojvodina, but in a friendly match against Football Club Copenhagen he broke his leg in a horrific injury.
The injury changed his career path and after several months of rehabilitation.
He subsequently joined OFK Beograd in the winter 2012-2013 transfer window. OFK Beograd
After almost a year without playing professional football from his injury with FK Vojvodina, Rustemović made his debut for OFK Beograd in a 1-3 loss against FK Jagodina.
In summer 2013 he was loaned to Serbian First League promoted side FK Sinđelić Beograd.