Born in Senegal, Leye started his professional career in France before moving to Belgium in 2007.

Leye played for Standard Liège from 2010 to 2012, scoring 11 goals in 56 games.

[2] He also won the Belgian Cup with KAA Gent in 2010 and in 2017 with Zulte Waregem where he had three spells.

[2] Leye began his coaching career in June 2019 at his former club, Standard Liège.

[2] On 4 October 2021, he was fired by Standard Liège, following four losses in the preceding five games.