[6] He has participated in numerous master classes and concerts in France, Israel, New York and Japan working with José van Dam, Teresa Berganza and Gabriel Bacquier among others.

Bižić's career first garnered international attention in the role of Masetto in two critically acclaimed productions of Don Giovanni[8] by Michael Haneke in Paris opera[9] and Dmitri Tcherniakov in Aix-en-Provence Festival.

In 2023, Bižić debuted at the San Francisco Opera portraying Belcore in Daniel Slater's production of Donizetti's L'elisir d'amore, conducted by Ramón Tebar.

[14][15] In opera concert performances Bizic has sung Sharples in Puccini's Madama Butterfly with the Hallé Orchestra conducted by Sir Mark Elder.

[16] He has also performed Leporello in Mozart's Don Giovanni in Ravinia Festival[2] with Chicago Symphony Orchestra under James Conlon, La Vida Breve with the Orchestre de Paris conducted by Rafael Frühbeck de Burgos, and Zurga from Bizet's Les Pecheurs des Perles with WDR Rundfunkorchester Köln under Friedrich Haider.