Proulx-Sénécal switched from ice hockey to figure skating when he was seven years old and teamed up with his first partner at age twelve. Competing with Josyane Cholette, he placed 11th in junior ice dancing at both the 2011 and 2012 Canadian Championships. He and Christina Penkov were 15th on the junior level at the 2013 Canadian Championships. During the next two seasons, he competed with Mélissande Dumas on the senior level. They finished 11th at the 2014 Canadian Championships and 12th in 2015.