USM Blida
N'Douassel began his career in 2006 at local side Tourbillon FC before moving to Algeria in 2007 to play for MC Oran and he joined USM Blida. In his debut for USM Blida, Ndouassel scored a brace against MC El Eulma, with goals in the 86th and 90th minute to give his team a 2–1 win. He would end the season with five goals in fifteen appearances. During his time at USM Blida, N'Douassel was linked with a number of European clubs including Olympique de Marseille, Arsenal, Monaco and Mallorca.