On March 19, 2023, Abdessamed Bounacer made his first senior appearance with USM Alger as a starter against FC Saint-Éloi Lupopo in the 2022–23 CAF Confederation Cup, becoming the youngest player to represent USM Alger in Africa at the age of 18.
[2] On April 11, the technical staff gave Bounacer the green light to conduct experiments in Europe.
[3][4] On June 3, 2023, Bounacer won the first title in his football career by winning the 2022–23 CAF Confederation Cup after defeating Young Africans of Tanzania.
[9] On July 24, 2024, Al Sadd announced its official contract with Abdessamed Bounacer for a period of five years.
The club announced that he will undergo ankle surgery at Aspetar and that he will be out for three months, with a return in November or December.