Wallace signed with Auckland United for the 2024 season after not being offered a contract by Wellington Phoenix.
International career
Wallace was called up to the New [Zealand men's national under-20 football team|New Zealand U20] squad for the 2023 FIFA [U-20 World Cup]. He made his debut in a pre-tournament friendly against Ecuador U20 scoring the only goal in a 1–0 win. Wallace played three of New Zealand's four games at the tournament scoring one goal.