Born in Belgrade, Sajčić passed Partizan youth school,[1] and later spent 2 seasons with Teleoptik.
He scored 18 goals for the 2014–15 season[2] including 4 in a match against Hajduk Beograd[3] and was the best scorer of Serbian League Belgrade.
After a half-season with Sinđelić Beograd, Sajčić joined Jagodina for the spring half of 2015–16 season.
[5] In April 2024, he joined Malaysia Super League club Kuala Lumpur City.
This biographical article related to a Serbian association football forward is a stub.