He currently plays for Metta/LU Riga, wearing the number 4 shirt. At the international level, he represents Latvia U21. He plays primarily as a Defender. His current market value is estimated at 125K €.

His most recent move was a Loan from Skanstes SK to Metta/LU Riga on 2022-03-01.

Throughout the Latvian Higher League 2025, karlis vilnis featured in 34 matches, averaging 1 tackles, 0.7 interceptions, and 5 clearances per game, while blocking 0 shots per game.