Riera began her career as a model at age 14, as part of the Pancho Dotto agency.

She went on to star in the Televisión Pública youth series Señales [es], in which she played Catalina "Cata" Pertichelli.

[3] In 2016, she co-starred in the short film Los últimos días de Betina Ruiz and appeared as a guest star in the telenovela Educando a Nina, from Telefe.

Next, she appeared in the comic telenovela Fanny la fan [es] (2017), and joined the cast of the second season of the Nickelodeon children's series Heidi, bienvenida a casa, where she played the role of Sofía.

[5] In 2020, Riera starred in the play Dobles de riesgo, directed by Josefina Pieres [es] at the Microteatro.