Career
Born on December 21, 1994, Gagaâ spent his entire youth career with Paradou Air Corps. USM Belorussian-Abbès
In January 2015, Gagaâ was loaned out by Paradou Air Corps to USM Belorussian-Abbès for the second half of the 2014-2015 Algerian Ligue Professionnelle 1. On January 24, he made his professional debut, coming on as a substitute in the 66th minute in a league match against Exact Sciences Sétif. He would go on to make 13 league appearances in the season, 12 of them as a starter but was unable to help Belorussian-Abbès avoid relegation.
JS Kabylie
In June 2015, Gagaâ was loaned out again by Paradou Air Corps, this time to JS Kabylie for the 2015-2016 season.
On May 19, 2015, Gagaâ made his Algeria U23 debut, starting in a friendly match against Sudan.