Zejnullahu played in his youth career for SV Tasmania Gropiusstadt, FC Hertha 03 Zehlendorf and Union Berlin, which he joined in 2012.
Zejnullahu played in his youth career for SV Tasmania Gropiusstadt. Zejnullahu played in his youth career for FC Hertha 03 Zehlendorf. Zejnullahu played in his youth career for Union Berlin. He joined in 2012.