Alexandre was drafted in the first round (12th overall) in the 2009 MLS SuperDraft by Real Salt Lake. He made his professional debut on 28 March 2009, coming on as a substitute in RSL's game against Seattle Sounders FC.[3] After a 2–0 victory over Vancouver Whitecaps FC in June 2011, Alexandre was named Player of the Week after scoring his first goal and first career assist in MLS.[4]
San Jose sent Alexandre to USL Pro club Orlando City on 7 June 2012 for a two-match loan deal.[6] He was re-loaned to Orlando City again on 6 July on a second two-match loan.[7]
On 1 March 2018, he signed for Taiwanese club Hang Yuen.[9]
International
Alexandre is a full international for Haiti, having played in three friendlies in 2008, starting against Honduras, and coming off the bench against Trinidad & Tobago twice.[10]