[1] Born in Réunion, an overseas department of France, Ali Abdallah began his youth career on his native island with Entente Solidaire de la Convenance.
[2] He went on to play for AS Bretagne, Saint-Denis FC, and Entente Solidaire de la Convenance again before heading to metropolitan France to join Strasbourg's youth academy in January 2022.
[2] On 10 March 2024, Ali Abdallah made his Ligue 1 debut as a substitute in a 1–0 defeat to Monaco.
[3][4] On 18 April, Ali Abdallah signed his first professional contract with Strasbourg, a deal until 2027.
[3] On 30 August 2024, Ali Abdallah was loaned out to Championnat National club Nîmes for the rest of the season.