He currently plays for FK Chernomorets 1919 Burgas, wearing the number 30 shirt. He plays primarily as a Defender. His current market value is estimated at 100K €.

His most recent move was a from FC Dobrudzha Dobrich to FK Chernomorets 1919 Burgas on 2025-02-14.

Throughout the Bulgarian Vtora Liga 2025-2026, Nikolay zhelyazkov featured in 7 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.