Hong made his professional career debut in 2016 during an away match against FC Anyang when he was substituted on for Gam Han-sol [ko] in the 44th minute.

[5] He also contributed to Daegu FC's first national cup win in 2018 where he made appearances as a starter in both rounds of the final and only allowed one goal.

[5] On 29 May 2020, Hong injured his right knee during a home game against Sangju Sangmu and was subsequently diagnosed with a ruptured posterior cruciate ligament.

[7] In the second round of the 2021 Korean FA Cup final on 11 December 2021, Hong received a red card and was sent off after elbowing another player in the face during a corner kick.

[3] On 6 January 2025, Thai League 1 club Muangthong United announced they had signed Hong for the second leg of the 2024–25 season.