In 2021 Shim was cast in Kakao TV's original web drama Shadow Beauty as a main cast member. She got recognition after appearing in TV series Hospital Playlist and Netflix original The School Nurse Files (2020), and films Dust-Man and Snowball (2021). She was nominated for the Baeksang Arts Award for Best Supporting Actress – Film at the 58th Baeksang Arts Awards for her role as Ah-ram in Snowball.
