Qualter played hurling at juvenile and underage levels with Maynooth GAA club. After winning a Kildare MAHC title in 2020, he went on to win a Kildare IHC title after a defeat of Naas in the final.[1][2] Qualter first appeared on the inter-county scene as a member of the Kildare minor hurling team in 2019 and ended the season as the team's top scorer with 8-37.[3] He progressed onto the Kildare under-20 team and joined the Kildare senior team for the 2021 National League.[4]