He currently plays for Trento, wearing the number 12 shirt. He plays primarily as a Goalkeeper. His preferred foot is Left.

His most recent move was a Loan from Torino Primavera to Trento on 2026-06-30.

In the Italian Serie C 2024-2025, Leonardo Santer played 31 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.