Born in Ottawa, to parents of Cameroonian descent, he began playing soccer at age 3 with Goulbourn SC. In 2009, Langwa began playing at Ottawa South United. In 2012, he joined Toronto FC Academy, where he spent two seasons. In 2014, he returned to Ottawa South United for their U17 team in the OYSL. Late in 2014, he played for the Cataraqui Clippers in League1 Ontario, before returning to Ottawa to play for the Ottawa Fury Academy's U19 team in 2014 and their Première Ligue de soccer du Québec side in 2015.In 2015 he switched academy programs again, this time joining Vancouver Whitecaps FC Academy.