He currently plays for Cesena U20, wearing the number 21 shirt. He plays primarily as a Defender. His current market value is estimated at 25K €.

His most recent move was a from Cesena Under 18 to Cesena U20 on 2023-07-01.

Throughout the Italian Campionato Primavera 1 2025-2026, giovanni mattioli featured in 21 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.