In 2011, she joined YG Entertainment through auditions as a trainee. In 2015, Jisoo made a cameo appearance in the KBS2 drama The Producers alongside label-mates 2NE1's Sandara Park and Winner's Kang Seung-yoon. In the same year Jisoo featured in several advertisements including Samsonite alongside actor Lee Min-ho, Smart Uniform, LG Electronics, and NikonAnd now she is also the brand ambassador of luxury brands like cartier,diorDazed korea etc.
Jisoo debuted as one of four members of Blackpink on August 8, 2016, alongside Jennie Kim, Roseanne Park and Lalisa Manoban, with the release of their single album Square One. Jisoo is the oldest member of Blackpink.