He currently plays for Pogon Grodzisk Mazowiecki, wearing the number 16 shirt. He plays primarily as a Defender. His current market value is estimated at 250K €.

His most recent move was a from Radomiak Radom to Pogon Grodzisk Mazowiecki on 2024-07-03.

Throughout the Poland Liga 1 2025-2026, Aleksander·Gajgier featured in 23 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.