Fumani was admitted as an attorney in 2003 and practiced as such in Pretoria and Johannesburg mainly in the field of labour law and personal injury claims.
In 2007 he joined the Independent Communications Authority of South Africa (ICASA) as legal advisor. In 2010 he completed pupillage and became a member of the Johannesburg Bar end of 2010.
Fumani has acted as Judge of the Labour Court and appears regularly in the Labour Court and the Labour Appeal Court.