He is on the books of Fortuna Koln and wears shirt number 9. His main role on the pitch is Forward. He measures 181cm in height and weighs 66kg. His stronger foot is Right.

During the German Regionalliga 2025-2026 campaign, L. Demaj made 19 appearances, scoring 9 goals and adding 0 assists. He averaged 0.5 goals per match from 0 shots, with 0 on target.