He currently plays for Biskra, wearing the number 1 shirt. He plays primarily as a Goalkeeper. His current market value is estimated at 300K €.

His most recent move was a from USM Annaba to Biskra on 2023-08-23.

In the Algerian Ligue Professionnelle 1 2024-2025, O. Mellala played 13 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.