 Julien's position of choice is , although he has also featured at loose forward.He fell out of favour at Les Catalans at the back end of 2007, a year in which he appeared in the Challenge Cup Final at Wembley Stadium.During 2008, he has forced his way back into the side, making a number of appearances and notably scoring a 90-metre try in Cardiff, against 

He has been named in the France training squad for the 2008 Rugby League World Cup.