She has performed internationally, and won awards for her roles in contemporary operas such as Bernd Alois Zimmermann's Die Soldaten and Aribert Reimann's Medea.
At the beginning of her career, she appeared in concerts at festivals such as Sommerliche Musiktage Hitzacker, Internationale Maifestspiele Wiesbaden, the Schubertiade in Feldkirch, and the Wittener Tage für neue Kammermusik.
[2][3] She performed at the Deutsche Oper am Rhein in 1995 the parts of Sophie in Der Rosenkavalier by Richard Strauss, Musetta in Puccini's La Bohème and Blonde in Die Entführung.
[1] Barainsky participated in the 2000 premiere of Aribert Reimann's Bernarda Albas Haus at the Bayerische Staatsoper as Martirio, and performed the same part at the Komische Oper Berlin.
[3] She collaborated with conductors such as Gerd Albrecht, Herbert Blomstedt, Sylvain Cambreling, Christoph Eschenbach, Michael Gielen, Hartmut Haenchen, Daniel Harding, Zubin Mehta, Ingo Metzmacher, Christian Thielemann and Lothar Zagrosek.