Aathmika began her acting career by acting in a short film directed by
Rajiv Menon. Her interest in acting began in college where she had been part of few short films and did a couple of modelling assignments. Aathmika received a good response for her performance in that film. She signed her second film
Naragasooran, directed by
Karthik Naren, in 2017. In the same year she was a judge at the OPPO Chennai Times Fresh Face 2017. In 2018, Aathmika replaced
Oviya in
Kaatteri among the three female lead roles. In February 2019, she joined actor
Udhayanidhi Stalin in Mu. Maran's
Kannai Nambathey. In September 2020, Aathmika began filming for
Kodiyil Oruvan, directed by Anand Krishnan. The film was released in 2021, becoming her second release due to her previous films' release being delayed. == Filmography ==