Lee joined K League club FC Seoul in 2021,[1][2] and made his professional debut on 21 April 2021.

[4] On 28 August 2023, Lee signed with Danish Superliga club Midtjylland on a four-year contract for a fee reported to be around $1.5 million.

[5][6] On 5 November, he made his debut in a 4–1 away win against Hvidovre, where he assisted the final goal.

[3] Lee was part of the South Korea squad at the 2019 FIFA U-17 World Cup and 2022 Asian Games, and won a gold medal at the latter.

This biographical article related to a South Korean association football defender is a stub.