He plays primarily as a Goalkeeper. His preferred foot is Right.

His most recent move was a from KS Legionovia Legionowo to Widzew lodz on 2023-07-01.

In the PKO Bank Polski EKSTRAKLASA 2025-2026, Jan Krzywanski played 5 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.