Stephanie Beatriz first appeared in the Episode: "The Life" of the American television police procedural series ‘The Closer’ in 2009. She made her big-screen debut in the 2013 American independent drama film ‘Short Term 12’ directed by Destin Daniel Cretton. The film saw universal acclaim upon release and scored a 98% approval rating on Rotten Tomatoes. That same year, she also joined the main cast of the American police procedural comedy television series ‘Brooklyn Nine-Nine’ where she portrayed Rosa Diaz. The series ran for 8 seasons before going off-air in 2021. She starred as ‘Jessica’ in the 2014 American drama film ‘You're Not You’ directed by George C. Wolfe. The film received mixed reviews from critics. In 2016, she starred as ‘Freckles’ in the American adventure comedy film ‘Pee-wee's Big Holiday’ directed by John Lee. The film saw mostly positive reviews upon release and holds an 80% approval rating on Rotten Tomatoes. That same year, she also voiced ‘Gertie’ in the American computer-animated adventure comedy film and the fifth installment in the Ice Age series, ‘Ice Age: Collision Course.’ The film received negative reviews from critics and was a box office disappointment.
The year 2017 saw the release of the American drama film ‘The Light of the Moon’ where Beatriz played the role of ‘Bonnie.’ The film was widely praised by critics, earning a 97% approval score on Rotten Tomatoes. In 2018, she joined the voice cast of the American adult animated comedy-drama streaming television series ‘BoJack Horseman.’ She voiced ‘Gina Cazador’ and remained a part of the series until 2019. Beatriz voiced ‘General Sweet Mayhem’ in the 2019 computer-animated adventure comedy film ‘The Lego Movie 2: The Second Part’ directed by Mike Mitchell. Even though the film earned praise from critics, it was a financial disappointment. She next appeared in films like ‘In the Heights’ (2021), ‘Encanto’ (2021), and ‘Catwoman: Hunted’ (2022). In 2022, she voiced ‘Lady Kima’ in the American adult animated fantasy streaming television series ‘The Legend of Vox Machina.’