He currently plays for Rayong FC, wearing the number 20 shirt. At the international level, he represents Bolivia U23. He plays primarily as a Defender. His preferred foot is Right. His current market value is estimated at 400K €.

His most recent move was a from San Antonio Bulo Bulo to Rayong FC on 2026-01-15.

Throughout the Thai League 1 2025-2026, leonardo justiniano featured in 4 matches, averaging 0.3 tackles, 2 interceptions, and 6 clearances per game, while blocking 0 shots per game.