Standing at 2.04 m (6 ft 8+1⁄2 in), he played at the power forward position.

During his professional career, Nađfeji has played with: Beobanka, Radnički Beograd, Partizan, Ural Great, Verviers-Pepinster, UNICS Kazan, Panellinios (twice), Vizura, Rethymno, Maroussi, Igokea, Panionios, Kolossos Rodou and Dynamic.

In June 2017, Nađfeji announced his retirement from professional basketball.

[1] Nađfeji played with the junior national teams of the Federal Republic of Yugoslavia.

On August 7, 2017, Nađfeji was named an assistant coach for the Dynamic.