Djabou came through the junior ranks of his hometown club ES Sétif with the exception of one season with USM Sétif. He made his senior debut during the 2004-2005 season, making two league appearances. The following season, he made another two appearances. He spent the 2006-2007 on loan to MC El Eulma.
On September 30, 2008, Djabou was loaned out to Swiss club FC Sion. However, after a month with the club, his paperwork had still not cleared and Djabou returned to ES Sétif.
In January 2009, Djabou was loaned out to USM El Harrach. Djabou made his début for USM El Harrach on 19 February 2009, against NA Hussein Dey coming on as a substitute in the 60th minute for Gharbi. He scored his first goal for the club against his former club MC El Eulma in the 17th minute, with the end result being 2-2. He scored his second goal against RC Kouba in the 1st minute, with the final result ending at 5-1. He appeared in 12 games and scored 2 goals during his first loan spell at USM El Harrach. He also spent the 2009-2010 season on loan with the club, scoring 5 goals in 31 appearances. On June 9, 2010, he returned to ES Sétif.