Between 2009 and 2011, he participated in theatrical productions like High school Musical and The Wedding Singer. He also was a stand-in in the national tour of Jersey Boys. From March 2013 to March 2014, he played the role of Andrej in the musical Once, in which he also performed on piano, guitar, ukulele, bass, and percussion. In 2013, the musical was nominated for a Tony Award.
In 2014, Valdes made his television debut in the American series Arrow, before appearing in the spin-off series, The Flash, as a series regular in the role of Francisco “Cisco” an engineering genius. Cisco is part of the S.T.A.R. Labs team, along with Dr. Harrison Wells and Dr. Caitlin Snow, the help Barry Allen with his superpowers.
Carlos Valdes reached to the age of 27 as in 2016. He has the American and Colombian nationality and he is of white ethnicity. Moving on to his personal life, he has stayed low profile in this regard. There is no information regarding his personal life. He has managed to keep his family matters away from the media. He hasn't been married yet and does not have any children. He hasn't shared any details about his past affairs and girlfriend. He hasn't faced any controversy related to his personal and professional life.