Signed with the Montreal Impact on November 16, 2018, as an MLS Homegrown Player for one season, with three option years.
Kinumbe, 19, attended training camp with the Impact first team in 2018 before finishing his season with the Impact U19. He then signed with Ottawa Fury FC on August 6 for the remainder of the 2018 USL season. He played three games, including two starts. The defender was raised in Sherbrooke, Quebec, before playing for club Panellinios. He then joined the Montreal Impact Academy in 2016.
He has also been a part of the Canadian national program since he was 15 years old. In June of 2018, he took part in the Toulon Tournament, in France, with Canada’s U21 team, and was the only one to play every minute of all four games Canada played.