Jiang Shenglong joined Chinese Super League side Shanghai Shenhua's youth academy in March 2018 when the club bought Genbao Football Base's under-19 players.

[2] On 22 July 2018, Jiang made his senior debut in a 2–2 away draw against Henan Jianye, replacing Rong Hao in the 77th minute.

[3] On 30 September 2020, He would be loaned out to fellow top tier club Tianjin TEDA to gain more playing time.

[5] The following season, Jiang would be loaned out again to another top tier club in Chongqing Liangjiang Athletic on 8 April 2020 for the 2021 Chinese Super League campaign.

[7] On 20 July 2022, Jiang made his international debut in a 3-0 defeat against South Korea in the 2022 EAFF E-1 Football Championship, as the Chinese FA decided to field the U-23 national team for this senior competition.