[5] After she experienced difficulty landing roles, Macasaet enrolled in the human resources program at the University of Winnipeg in 2018.

[citation needed] Macasaet's first major role was in Miss Saigon, where she starred as Kim in the regional production by the Victoria Operatic Society.

[6] In 2018, Macasaet attended an open casting call for Six: The Musical, where she was considered for the roles of Anne Boleyn and Jane Seymour.

[8][9] Macasaet was about to make her Broadway debut when Six: The Musical was about to premiere at the Brooks Atkinson Theatre on March 13, 2020.

[12] In 2023, it was announced that Macasaet would make her debut at the Stratford Festival, starring as Mimi Márquez in Rent.