Boupendza enjoyed a two-season spell in MLS with FC Cincinnati that ended in 2024, and played for a host of other clubs during his 10-year professional career, including CF Mounana, Bordeaux, Ajaccio, Hatayspor and Al-Shabab. Cincinnati are among the clubs to have paid tribute to Boupendza, writing on X: "We are saddened to hear of the tragic passing of former FC Cincinnati forward Aaron Boupendza earlier today at his home in China. Our hearts go out to his family, friends, and loved ones. He was a loved member of the FC Cincinnati family, and we offer our condolences to all who knew him. Rest in Peace, Aaron."