When Muhamadu was young, he moved with his parents from Amsterdam to Hoorn, where he started playing football.

However, due to lack of convincing results, Muhamadu was never able to achieve a regular spot in the starting eleven.

He went to FC Dordrecht, where he would later also find his Dutch former Cercle Brugge teammate Brian Pinas.

In August 2010, Muhamadu signed with the American second division club, Portland Timbers, who joined Major League Soccer in 2011.

[2] In December 2010, he signed with Dutch second division club Helmond Sport on an amateur contract.