Career
Amkar Permanent In 2011 Mijailović joined Football Club Amkar Permanent, where coach Rashid Rakhimov frequently played him as defensive midfielder. When Miodrag Božović became Amkar"s new coach, Mijailović moved to the left-back position. Mijailović played a total of 53 league games in which he scored a total of two goals for Amkar.
Return to Belgrade After five years of playing professional football in Poland and Russia, before which Mijailović played for, Belgrade was looking to bring back veterans from across borders.
On June 26, 2013, Mijailović signed for Belgrade on a one-year contract. In 2015 he got suspended because of ananomic mails to Belgrade, in every letter first pasus formed this name – "Nikola Džoni" which is his nickname.
He was part of the Serbia and Montenegro Under-21 team which were runners-up at the 2004 Union of European Football Associations European Under-21 Football Championship.