A new opportunity arose and he ended up joining UNIQ, a Korean-Chinese group under Yuehua.

Kim debuted in 2014 with the South Korean-Chinese boy band group Uniq with the song "Falling in Love".

Kim promoted with Uniq for a few years, where he landed his first acting role in 2016, together with his band mates in the Chinese film, MBA Partners, where Kim and Wang Yibo playing the lead roles, while Zhou Yixuan, Li Wenhan and Cho Seung-youn making cameos.

Kim then starred in the Chinese drama, Magical Space-time before his second film in Kill Me Please.

In September 2018, it was reported that Kim would be joining MBC's drama, My Secret Terrius, where he will play Ra Do-woo, a genius hacker who is rebellious.