Lee signed with Busan IPark on 21 February 2017.[3] He made his debut on 25 March in a 1–0 defeat to Bucheon FC.
Lee featured primarily as a substitute in his first two years with the club, but became a first team regular under new manager Cho Deok-je. Lee appeared in every league game in 2019 as Busan finished second in the K League 2 and achieved promotion via the playoffs. Lee scored 13 goals and contributed seven assists to be named as the league's MVP.
On 29 January 2022, Lee signed a contract with German club Hertha BSC until 2025.[4]
On 22 December 2022, Lee agreed to return to Korea and signed a contract with Jeonbuk Hyundai Motors beginning on 1 January 2023.[5]