At the international level, he represents Estonia U18. He plays primarily as a Goalkeeper. His current market value is estimated at 150K €.

His most recent move was a from Harju JK Laagri U17 to Harju JK Laagri on 2024-01-01.

In the Estonian Premium Liiga 2025, Martti jan vainula played 32 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.