He currently plays for Sociedad Deportiva Aucas, wearing the number 89 shirt. He plays primarily as a Forward. His current market value is estimated at 225K .

His most recent move was a from Club Sportivo Trinidense to Sociedad Deportiva Aucas on 2026-01-27.

In the LigaPro Serie A 2026 season, Sebastian Alexander Sosa scored 0 goals and provided 0 assists across 2 appearances, averaging 0 goals per game with 1 shots attempted and 1 on target.