After playing briefly for FC Nantes and FC Metz, Louadj joined SV Eintracht Trier 05 in 2003. Louadj stayed at Eintracht Trier until 2006, making 16 appearances and scoring 1 goal in the Regionalliga Süd. In 2006, he returned to join US Forbach for one season, scoring 16 goals in 20 games.