At the African Championships in 2005, Ouradi lost the semifinal in the flyweight division to Walid Cherif. He then moved up to bantamweight, where he lost to Bruno Julie at the African Championships in May 2007. At the 2007 All-Africa Games in Algeria, he defeated Julie in the semifinals and Ghanaian Issa Samir in the final.
At the Olympics, Ouradi was defeated by Irish boxer John Joe Nevin 4:9.
He won the 2007 All-African title in the bantamweight division and qualified for the 2008 Summer Olympics for his native North African country. Ouradi won the gold medal in the 51 kg division at the African Olympic Qualifying Tournament in Algiers, Algeria, where he beat Moroccan boxer Mesbahi Hicham 6:0 in the final. He later won the Ahmet Comert Cup tournament. In 2009, Ouradi upset world class local hero Bruno Julie in a rematch and won the African Championships in Mauritius.
