He currently plays for Chesterfield, wearing the number 44 shirt. He plays primarily as a Defender. He stands at 183cm tall and weighs 75kg. His preferred foot is Right. His current market value is estimated at 125K €.

His most recent move was a from Free player to Chesterfield on 2025-09-25.

Throughout the English Football League Two 2025-2026, Janoi Donacien featured in 16 matches, averaging 0.1 tackles, 0.1 interceptions, and 1.1 clearances per game, while blocking 0 shots per game.