He currently plays for Guairena, wearing the number 2 shirt. He plays primarily as a Defender. He stands at 188cm tall and weighs 82kg. His preferred foot is Right.

Throughout the Paraguayan Division Intermedia 2024, J. Paiz featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.