She was engaged there after winning the Neue Stimmen competition in 2011, and soon performed leading roles such as Dvořák's Rusalka and Rachel in Halévy's La Juive.

[5][6] When she won the first prize of the Neue Stimmen in 2011,[7][8][9] Dominique Meyer, director of the Vienna State Opera led the jury, and engaged her for his house the following year.

[13] In summer 2015, the singer made her debut as Marzelline in Beethoven's Fidelio at the Salzburg Festival, staged by Claus Guth and conducted by Franz Welser-Möst.

[14][15] Bezsmertna sang in Strauss's Die Liebe der Danae at the Salzburg Festival,[16] and made her debut at Zürich Opera House as Tatyana in Tchaikovsky's Eugene Onegin in the 2017/2018 season.

[22] She works with conductors such as Valery Gergiev, Ádám Fischer, Alain Altinoglu, James Conlon and Christian Thielemann.