Piette joined the youth team of FC Metz in 2009 but after French football rules, which state that a player must be 18 to sign a contract with a club, Piette joined Fußball-Bundesliga youth side Fortuna Düsseldorf on 26 June 2012 [REF].
After continuing to play for Fortuna Düsseldorf II Piette made his senior debut as a second-half substitute for Erwin Hoffer on 4 April 2014 in a 2-1 victory over SC Paderborn [REF].