Radeljić started his professional career at VfB Stuttgart II, before joining Osijek in 2018, who loaned him to Široki Brijeg in 2020 and to Sheriff Tiraspol in 2021, with whom he signed permanently a year later.
Radeljić started playing football at Vitez, before joining Zrinjski Mostar's youth academy in 2014.
[3] He made his professional debut in a UEFA Europa League qualifier against Petrocub on 12 July at the age of 20.
[6] In February 2021, Radeljić was sent on a year-long loan to Moldovan outfit Sheriff Tiraspol, with an option to make the transfer permanent, which was activated in January 2022.
[9] He made his official debut for the squad in a UEFA Europa Conference League qualifier against Dukagjini on 27 July.