Joana Zhelezcheva began her professional career as a mezzo-soprano at the stage of the National Opera and Ballet in Sofia, taking part in performances of "André Chenier", "The Wedding of Figaro", "Carmen", "Faust", "Otello" and "Macbeth".
Later, as a dramatic soprano, she became a laureate of the Puldin contest in Plovdiv, the "Hristo Brambarov" vocal competition in Sofia and "Ghena Dimitrova" in Pleven.
In 2007, she debuted in the Burgas State Opera as Amelia in Verdi's "Un ballo in maschera" and was immediately invited to become a leading soprano soloist in the theater.
She has debuted since then in numerous spinto-dramatic soprano principal roles such as Butterfly from "Madam Butterfly", Manon Lescaut, Tosca, Elisabeth (Don Carlo), Lady Macbeth (Macbeth), Leonora (Il Trovatore), Aida (Aida), odabella (Attila), Santuza in Mascani's "Cavalleria Rusticana", Liu from Puccini's Turandot, Donna Elvira (Don Giovanni), Norma (Bellini).
Joana has performed with great success in many national and international opera festivals and is recognized as one of the leading Bulgarian sopranos in the spinto-dramatic repertory.
Leonora - Il Trovatore
Elizabeth - "Don Carlo"
Odabella - "Attila"
Abigaile - "Nabucco"
Lady Macbeth - "Macbeth"
Amelia - Un Ballo in Maschera"
Leonora - "La Forza del Destino"
Cio-Cio San -"Madamma Butterfly"
Turandot, Liu - "Turandot"
Tosca - Tosca
Santuzza - "Cavaleria Rusticana"
Donna Elvira - "Don Giovanni"
Micaela - "Carmen"
Norma - "Norma"