Julia Muzychenko studied at the St. Petersburg Conservatory from 2013 to 2018 and attended the International Music Academy “Jelena Obraszowa” in St. Petersburg from 2015 to 2016. She made her stage debut there in 2015 at the Mariinsky Theatre in the title role of Tarnopolski’s Aschenputtel. Following competition successes in 2017, she was engaged as Violetta Valéry La traviata at the Teatro Giuseppe Verdi (Busseto), Teatro Regio di Parma, and Ópera de Tenerife (2019). In 2019, she sang the role of Norina in Don Pasquale at the Opéra National de Montpellier.

From 2019 to 2021, Muzychenko was a member of the Young Ensemble at the Semperoper Dresden, where she performed roles such as Musetta La bohème, Olympia Les Contes d’Hoffmann, Sandmännchen/Taumännchen Hänsel und Gretel, and Papagena Die Zauberflöte. She became known to German television audiences through her solo appearances at the ZDF Advent Concert 2019 and the Semper Opera Ball 2020. She made her debut as Gilda in Verdi’s Rigoletto in 2021 at the Opéra National de Montpellier. In December 2021, she introduced herself to the audience of Oper Frankfurt as Oksana in Rimsky-Korsakov’s The Night Before Christmas. This production, in which she sang the leading female role, was named “Performance of the Year” in the critics’ survey of Opernwelt. Further role debuts in operas by Rimsky-Korsakov followed as the Swan Princess in The Tale of Tsar Saltan at the Opéra national du Rhin in Strasbourg (2023) and as Volkhova in Sadko at the Bolshoi Theatre Moscow (2024).

Her success at the 27ème Concours international de Chant de Clermont-Ferrand led to her debut in January 2022 as Amina in Donizetti’s La sonnambula in Clermont-Ferrand, followed by performances in the same touring production in Vichy, Avignon, Metz, and other venues. As a prizewinner of the 33ème Concours International de Chant de Marmande, she made her debut in August 2022 at the Nuits lyriques de Marmande in the title role of Lakmé (Léo Delibes).