He currently plays for San Antonio Bulo Bulo, wearing the number 20 shirt. At the international level, he represents Bolivia U23. He plays primarily as a Defender.

Throughout the Bolivian Primera Division 2025, leonardo justiniano featured in 29 matches, averaging 0.6 tackles, 0.3 interceptions, and 3.3 clearances per game, while blocking 0 shots per game.