[1] Mijatović has started playing in football school "VUK", and later moved to OFK Beograd youth academy.
[2] He started his senior career in the Serbian League Belgrade side Dorćol, and later he also played with Železnik.
[3] He made his professional debut for Jagodina in Serbian SuperLiga home match versus Red Star Belgrade on 1 March 2014.
[4] During the time he played under contract with Jagodina, Mijatović was loaned on dual registration with the satellite club Tabane Trgovački.
[5] In 2017, he terminated a contract with Jagodina and left the club as a free agent.