PFC Litex Lovech
During his career, Janković represented FK Železnik, FK Vojvodina, PFC Litex Lovech, Dalian Shide F.C., Ethnikos Achna FC and FK Inđija. Janković was the highest scoring foreign player during the 2000/2001 and 2001/2002 A PFG seasons, managing 13 goals in each of them.