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. Turkish outfit Hatayspor are among the clubs to have paid tribute to Boupendza, writing on X: "We have learned with deep sadness the passing of Aaron Boupendza, who played for Hatayspor and was the top scorer in the 2020/21 season. First of all, to his family and loved ones. We offer our condolences and patience to his team and our community. Rest in peace king."