At the international level, he represents Fiji U20. He plays primarily as a Goalkeeper. His current market value is estimated at 50K €.

His most recent move was a from Labasa FC to Bula FC on 2026-01-01.

In the OFC Men's Nations Cup 2024, Joji Vuakaca played 5 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.