In 2014, Du Jia started his professional footballer career with Tianjin Teda in the Chinese Super League.
[1] On 8 March 2015, he made his Super League debut in the season's first match which Tianjin Teda lost to Henan Jianye 3–1.
On 12 March 2021, Du joined fellow top-tier club Shanghai Port for the start of the 2021 Chinese Super League campaign.
[3] He would make his debut for them in a league game on 31 December 2022 against Changchun Yatai in a 4–0 victory, where he came on as a substitute for Yan Junling.
[4] Statistics accurate as of match played 31 January 2023[5] Shanghai Port