At international level, he features for Switzerland U20. His main role on the pitch is Goalkeeper. His stronger foot is Right.

His latest transfer saw him join Thun from Kriens via Loan on 2026-06-30.

In the Elite League U20 2025-2026, Dario walti played 1 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.