Rashmika was born into a Kodava family in Virajpet, a town in the Kodagu district of Karnataka. Prior to the pre-university course in Mysore's Institute of Commerce & Arts, she studied at Coorg Public College.
Rashmika started modeling in 2014. The same year, she received the title Clean & Clear Fresh Face of India and turned into the brand ambassador for Clean & Clear
Rashmika made her acting debut in the movie Kirik Party in Kannada 2016. She appeared in two commercially successful movies in 2017, Anjani Putra,
She starred the same year in the romcom movie Geetha Govindam, which has become one of the Telugu cinema's highest profits and has won her wide recognition
She has acted in commercially successful films such as Kirik Party (2016), Anjani Putra (2017), Chalo (2017), Geetha Govindam (2018), Yajamana (2019),
She recalled in an interview: "The Kirik Party producers saw a photo of mine from the 2014 Indian Clean & Clear Fresh Face competition,
She was cast as a college-goer Saanvi Joseph and Karna's love interest played by Rakshit Shetty