Career
Football Club Union Berlin in the 2. Fußball-Bundesliga as an attacking midfielder. Zejnullahu played in his youth career for SV Tasmania Gropiusstadt, Football Club Hertha 03 Zehlendorf and 1.
Football Club Union Berlin, which he joined in 2012.
The same year he made his debut with 1. Football Club Union Berlin World War II At 1 February 2013 he made his first team debut in the 2.
Bundesliga against SV Sandhausen.