Gosha was born in Poland but moved to France in early childhood, where she completed her higher education. She studied drama and music, graduating from the École Normale de Musique Alfred Cortot in Paris (opera) and the École Claude Mathieu (acting for theatre and film).

A winner of international competitions in Italy, France and the USA, Gosha received the Jan Kiepura Award for Best Female Opera Singer in Poland in 2021.

Gosha studies the Italian repertoire with soprano Gabriella Ravazzi and refines her technique with Bill Schumann in New York; she has taken part in masterclasses with Viorica Cortez, Anthony Manoli, Dariusz Grabowski, Irina Gavrilovici, Mary Pinto and Alan Fischer.

She has sung under the baton of Maurizio Arena, Kazuki Yamada, Laurent Petitgirard, Gianna Fratta, Marco Guidarini, Stefano Ranzani, Marco Alibrando, Antonello Alemandi, Jacek Kasprzyk, Paul Esswood, Patric Fournillet, Juraj Valčuha, Oliver von Dohnányi, Martin Leginus, Katarzyna Tomala-Jedynak, Miguel Campos Neto, Fabbio Maestri, Ewa Strusińska, Antoni Wit, Tadeusz Kozłowski, Michał Klauza, Frédéric Deloche, Franck Chastrusse-Colombier, Jerzy Wołosiuk, Vasyl Vasylienko, Vladimir Kiradjiev, Michel Piquemal, Olivier Holt, Gaspard Brécourt and Constantin Rouits.

She has performed on stages around the world in the following roles: Carmen (Bizet), Amneris (Aida), Eboli (Don Carlo), Azucena (Il trovatore), Maddalena (Rigoletto), Fenena (Nabucco), Flora (La traviata), Mrs Quickly (Verdi’s Falstaff), Suzuki (Madama Butterfly), the Zia Principessa (Suor Angelica) and Zita (Gianni Schicchi) by Puccini, Santuzza (Mascagni’s Cavalleria rusticana), Lady Billows (Albert Herring) and Mrs Grose (The Turn of the Screw) by Britten, María and the Shadow of María (Piazzolla’s María de Buenos Aires), Marthe (Petitgirard’s Guru), Hélène (La Belle Hélène) and Metella (La Vie parisienne) by Offenbach, and Prince Orlofsky (Strauss’s Die Fledermaus).

Her oratorio and concert repertoire includes Verdi’s Requiem, Rossini’s Petite Messe solennelle and Stabat Mater, Mozart’s Requiem and Missa solemnis, the Stabat Mater settings of Pergolesi, Dvořák and Szymanowski, Beethoven’s Ninth Symphony, Falla’s El amor brujo and Berlioz’s Les Nuits d’été.

Last season, after opening with Moniuszko’s The Haunted Manor at the Poznań Opera House (Poland) under Marco Guidarini, Gosha sang Eboli (Verdi’s Don Carlo) in her house debut at the Slovak National Theatre in Bratislava. She performed Carmen and Maddalena at the Teatr Wielki in Poznań and, in June 2024, Amneris (Verdi’s Aida) in Banská Bystrica (Slovakia) under Oliver von Dohnányi, ending the season with Verdi’s Requiem at the Opéra de Massy in France and another Amneris at the Teatro Coccia in Novara, Italy, in July under Marco Alibrando. In the 2024/25 season, Gosha returns as Carmen at Teatr Wielki – Polish National Opera in Warsaw in October. She will make her debut as Ježibaba in Dvořák’s Rusalka under Martin Leginus, and sing Mania in the world premiere of Z. Krauze’s Ślub, after Gombrowicz’s play, at the Poznań Opera House in Poland.