Sabah started his career at the youth team of Al-Rayyan and represented the club at every level.
In January 2024, in order to gain for more game time, he joined Qatar Stars League fellow Al-Wakrah on a 6-months loan deal.[3]
International career
In April 2024, Madjer was named in Qatar U23's squad for the 2024 AFC U-23 Asian Cup.[4] He scored in the opening game from a penalty kick, contributing in Qatar's 2–0 win against Indonesia.