Born in Abidjan, Koné began his career with CF Excellence[1] and joined later AS Odienné in his native Ivory Coast. In January 2008, he was on trial for several weeks with Rosenborg BK in Trondheim and was with those in a trainings camp in Gran Canaria.[2] On 19 July 2008, he left AS Odienné and joined on trial Paris Saint-Germain,[3] but he later signed for US Boulogne.[4] Koné made his debut on 23 September 2009 against Paris Saint-Germain in the Coupe de la Ligue. He played all the 90 minutes on the field.