Poornima started her career as a YouTuber and opened up a Youtube channel called “Araathi” on 2 July 2019. She posted videos about Indian Premier League, women’s rights and many social yet humorous content on her channel. Her channel has grown to more than 2 million subscribers and more than 550 million times re watched videos on her statistics.
She has played supporting roles in films such as Plan Panni Pannanum (2021) and Annapoorani (2023). In 2023, she participated in the reality show Bigg Boss 7 Tamil Edition on Vijay TV as a contestant.