Janković was the highest scoring foreign player during the 2000–01 and 2001–02 A PFG seasons, managing 13 goals in each of them.

[4] He has retired during winter break of 2010-11 season while playing for FK Inđija in the Serbian SuperLiga, becoming their manager.

[6] He made his debut for the national side on 13 February 2002, in a friendly match against Croatia, which ended in a scoreless draw.

He was initially dropped following Hristo Stoichkov's appointment as manager in July 2004, but was recalled in 2006 and made a number of appearances in the Euro 2008 qualifiers.

[8][9][10] Janković is the second most capped non-Bulgarian-born player to appear for the team (after fellow Serbian Predrag Pažin) and is the first out of two to score a goal (the other one who has found the net is Marcelinho).