In 2011 Mijailović joined FC Amkar Perm, where coach Rashid Rakhimov frequently played him as defensive midfielder.

In 2015, he got suspended because of anonymous mails to Red Star Belgrade, in every letter first pasus formed this name – "Nikola Džoni" which is his nickname.

[1] He was part of the Serbia and Montenegro under-21 team which were runners-up at the 2004 UEFA European Under-21 Championship.

As a defender he could achieve his first goal at the 2016 Euro Beach Soccer League Division B game against Moldova.

This biographical article related to a Serbian association football defender is a stub.