A scriptwriter and playwright, Guimaraes holds a degree in Social Communication and a PhD in “Theatre Theory, History and Practice”, and is a journalist for the EFE Agency, as well as a contributor to the newspaper El País. In the past, she worked as a scriptwriter for networks such as HBO, RTVE and ViX, and wrote the screenplays for the feature films Estranhos (Strangers, Brazil, Araça Azul, 2015), O Filho da Puta (Son of a Bitch, Brazil, Otto Desenhos, currently in production) and Los Invitados (The Guests, Laboratorio Sgae de Cine Fantástico, 2016).
She developed the show ¿Por qué desaparecieron los hombres? (Why Did Men Disappear?) for RTVE with Pepe Macías. She has also written plays, including La increíble historia de la chica que llegó la última (The Incredible Story of the Girl Who Came Last), which was nominated for Best Playwriting at the 2014 Max Theater Awards. She is the author of the novels Los últimos días de carnaval (The Last Days of Carnival, 2014) and Peces que llueven del cielo (Fish that Rain from the Sky, 2016), published in Spain by Ediciones Ambulantes. She is currently developing the drama series Cuatro Caminos with screenwriter Azucena Rodríguez for El Deseo and the documentary El silencio de la Tierra (Earth’s Silence) for Diagonal.