Pia Bajpiee was born in Etawah 22 December 1993 but resettled in Delhi to attend a computer course while hoping to gain a break in films.
After appearing in Priyadarshan's commercial, he offered her a chance to play a part in his Tamil film production, and Pia accepted the offer after an audition. The comedy film, Poi Solla Porom, was directed by A. L. Vijay and featured Karthik Kumar and Nassar in pivotal roles. Upon release the film won critical acclaim and favourable reviews, with Pia's performance labelled as "bubbly and cheery". She went on to feature in Raju Sundaram's Aegan as a college student, with the film featuring her alongside Ajith Kumar, Nayantara and Navdeep. The film, a remake of 2004 Hindi film Main Hoon Na, received average reviews, and. In 2009, she appeared in a low-budget Telugu film, Ninnu Kalisaka and won positive acclaim for her portrayal of her character.

On the final day of sets for Aegan, Ajith Kumar introduced her to director Venkat Prabhu, who signed her for Goa sixth months later, to appear as the love interest of Jai in the film. Goa became her big break and Pia won critical acclaim for her portrayal of Goan girl Roshini with critics citing that she looked "promising" and "endearing", while the award-winning song "Idhu Varai" was shot featuring her character. she was selected to portray the lead role in Siddharth Chandrasekhar's comedy Bale Pandiya alongside Vishnu, becoming her first major release as a lead heroine. The film won mixed reviews, though Pia's role was praised with a critic from Sify citing that "Pia is improving with every film and looks cute".

Pia's next release was K. V. Anand's political thriller Ko, in which she portrayed Saraswathi, a journalist, alongside Jeeva, and Ajmal. piaa bajpai lead role and karthika nair supporting role in ko. Prior to release Pia has revealed that the film will be a milestone in her career, citing that she is waiting for the release of the film adamantly. The film went on to win commercial and critical acclaim, with Pia's performance winning particular praise. A critic cited that "Pia is outstanding in a main role" and that "her natural flair in comedy brings the house down", while other reviewers labelled her as "effective" and that "she does the part well". Her first Malayalam language film was Masters opposite Prithviraj. She was signed as the female lead in the Tamil film Nerungi Vaa Muthamidathe directed by Lakshmy Ramakrishnan.