Laureate of polish and international vocal competitions. From 1996 first soloist of the Wrocław Opera House where she sing the roles of Carmen, Amneris (Aida), Dalila (Samson and Dalila), Santuzza (Cavaleria Rusticana), Miss Quickly (Falstaff), Azucena (Il Trovatore), Amme (Frau ohne Schatten), Fenena (Nabucco), Frica (Rheingold, Die Walkurie), Maryna (Borys Godunow), Erda (Zygfryd), Eboli (Don Carlos), Kundry (Parsifal) and many others. In her repetoire one can find many of the most challenging oratorio parts – including Verdi and Dvorak Requiem, stabat mater of Rossini and Dvorak. Ms. Kaczmarzyk-Janczak was the first polish mezzosoprano to record Verdi’s „Il trovatore” singing the part of Azucena.
In 2005, in Polish National Opera she sung „Die Walkurie” (Frica) with Placido Domingo. In the same year, she had a debut in Deutsche Oper am Rhein, singing the part of Amneris. From 2003 to 2015, first soloist of the Lublin Musical Theatre. In 2010 she got a PhD in music.