Vounang began his pro career with one season with Pepinster Go-Pass of the Belgian Professional League. From there, Vounang moved on to Frenchsquad Etoile Charleville-Mezieres. In 2008-09, he had his best professional season, averaging 13.9 points per game and 7.5 rebounds per game for the squad. Following this season, he signed with fellow French squad Étendard de Brest.