He currently plays for FC Honka U20, wearing the number 36 shirt. He plays primarily as a Midfield.

His most recent move was a from Honka Espoo to Free player on 2025-01-01.

Across 9 appearances in the Finnish Ykkonen 2024, Joonatan Ritamies registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.