Mmaee's first club was KV Zuun, moving at the age of nine with his younger brother
Ryan to
RWDM Brussels, where he would stay for five years, prior to joining
Gent in 2010, and, in 2013,
Standard Liège. On 25 July 2014, he made his
Belgian Pro League debut with Standard Liège against
Charleroi.
Ferencváros Mmaae was signed by
Nemzeti Bajnokság I club
Ferencvárosi TC in 2021. On 5 May 2023, he won the
2022–23 Nemzeti Bajnokság I with
Ferencváros, after
Kecskemét lost 1–0 to
Honvéd at the
Bozsik Aréna on the 30th matchday. On 20 April 2024, the
Ferencváros–
Kisvárda tie ended with a goalless draw at the
Groupama Aréna on the 29th match day of the
2023–24 Nemzeti Bajnokság I season which meant that Ferencváros won their 35th championship. On 15 May 2024, Ferencváros were defeated by Paks 2–0 in the
2024 Magyar Kupa Final at the
Puskás Aréna. At the end of the
2023–24 Nemzeti Bajnokság I season, he left the club.
Qarabağ On 17 July 2025, Mmaee joined the
Azerbaijan Premier League side
Qarabağ on loan from
Dinamo Zagreb. ==International career==