He currently plays for TSV Schott Mainz, wearing the number 42 shirt. He plays primarily as a Defender. His current market value is estimated at 50K €.

His most recent move was a from TSV Schott Mainz U19 to TSV Schott Mainz on 2024-01-01.

Throughout the German Regionalliga 2025-2026, J. Wiltink featured in 18 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.