Ignjatović started his career in the youth squads of Radnicki Nis, a club playing in the Serbian First League.
In the summer of 2008, Ignjatović joined Borac Čačak, making his debut on the highest level in Serbia, the Serbian SuperLiga.
On 17 July 2008, he made his official European debut in the UEFA Cup first qualifying round match against FC Dacia Chişinău.
On 26 June 2009, the Dutch club Feyenoord announced the arrival of Borac Čačak defender Ignjatović on a season-long loan, with a view to a permanent deal.
Ignjatović didn't play a single match for Feyenoord and returned to Borac Čačak during the winter transfer period.