On April 20, 2022, Beaudoin was drafted tenth overall by the Barrie Colts in the 2022 OHL Draft.[1] On June 3, 2022, he signed with the Colts.[2] During the 2022–23 season with the Barrie Colts he recorded eight goals and 12 assists in 63 games. During the 2023–24 season, he recorded 28 goals and 34 assists in 67 games.[3]
On June 28, 2024, Beaudoin was drafted 24th overall by the Utah Hockey Club in the 2024 NHL entry draft, becoming the team's second ever selection in franchise history.[4][5] He was later signed to a three-year, entry-level contract with the Utah Hockey Club on July 22, 2024.[6]