[2][3] In 2016, he won the Federation de Soccer du Quebec (FSQ) Male Senior Player of Excellence award.

[6] On June 8, 2016, he made his debut for the Montreal Impact in a 2016 Canadian Championship match against Toronto FC.

[17] Choinière scored his first goal for Forge on August 1, 2019, a late winner to make the score 2–1 at home in the preliminary round of the 2019 CONCACAF League against Guatemalan club Antigua GFC, which made Forge the first CPL club to ever win a match in a CONCACAF competition.

[18][19] He helped Forge win the CPL title in 2019, scoring the only goal in the second leg on November 2, 2019, against Cavalry FC.

[31] In September 2017, Choinière received his first Canadian senior team call-up for a friendly against Jamaica, but did not feature in the match.

[33][34] They faced each other for the first time in a 2022 Canadian Championship match between Forge and CF Montreal,[35] and subsequently played against each other in the 2023 and 2024 editions as well.