A youth product of Saint-Étienne and Lyon, Aljic began his senior career with the academy of Niort. After a loan with Andrézieux for the 2019-20 season, Aljic signed his first professional contract with Clermont on 19 June 2020.. Aljic made his professional debut with Clermont in a 1–1 (4–2) Coupe de France penalty shootout loss to Grenoble Foot 38 on 20 January 2021.
