At the international level, he represents Samoa. He plays primarily as a Midfield. His preferred foot is Right. His current market value is estimated at 25K €.

His most recent move was a from Lupe Ole Soaga to Nelson Suburbs FC on 2024-06-30.

Across 4 appearances in the FIFA World Cup qualification (OFC) 2026, Jarvis Vaai registered 1 goals and 1 assists, while completing 1 key passes out of 1 total passes with a passing accuracy of 0.3.