Her younger sibling is Ariela Barer. Their parents are both Mexican-born and Jewish.

Barer attended the Los Angeles County High School for the Arts (nicknamed "Fame High") where she received an LACHSA Moondance Film Festival Award for her screenplay "On Top Of The World."

In addition to her role on Sneaky Pete, Barer starred in the short film Disfluency, had a role on the shows Those Who Can't and Parenthood, and was featured in a commercial for Subway.