Shin began working as a model, walking in
Seoul Fashion Week and Seoul 365 Fashion Show; he also reached the final stage of the SBS Supermodel Selection Contest. In the meantime, he got acquainted with model Park Dool-seon, who advised him to become an actor along with other acquaintances of his who believed he had a good tone of voice to be one: Shin was skeptical about it, thinking he was not fit to be a celebrity, but after a year of persuasion he was convinced to at least try attending an acting academy in
Hyehwa-dong for a month at Park's expense. There he discovered his passion for acting and joined an agency through auditioning. He made his debut in the 2018 teen web series
A-Teen, playing the male lead Nam Si-woo. In late 2020, he was cast in his first feature film, Baek Seung-hwan's
Double Patty, for which he also recorded a soundtrack song. for which he was nominated for the
Baeksang Arts Award for Best New Actor – Television. The character, initially absent from the original script, was tailor-made for him by director Park Joon-hwa and the
Hong sisters after meeting him, and Shin described it as the closest to his real-life personality. Also in 2022, he starred as the leader of a gang of thugs in
Weak Hero, a teen action series based on the
webtoon of the same name, in which he once again worked with
D.P. director
Han Jun-hee. and despite his short screentime, he received positive reviews for bringing a three-dimensional character to life. At the end of the year, he reprised his role as Go Won in the second season of
Alchemy of Souls, In 2023, he signed contracts for two more films, the action movie
Resurrected Man, based on a webtoon, In 2025, he was cast in the television series
Inside Men, set in the same universe as the
2015 hit film of the same name. == Other activities==