He played for several Polish clubs, including Ruch Chorzów, Legia Warsaw and Śląsk Wrocław. He then moved to France and played for Gueugnon, Besançon, Nœux-les-Mines, Paris FC and Creil.
He later began a coaching career, with Compiègne, Creil, Beauvais,Club Olympique des Transports and Stade Tunisien, and working briefly as a coach for Cracovia in 2006. On May 12, 2006, Bialas was appointed as the manager of Jagiellonia Białystok. On June 7, 2008 he mutually terminated his contract with the club. On March 14 of 2010 he was officially named as the head coach of Legia Warsaw, where he was replaced by Maciej Skorża on June 1, 2010.