He currently plays for Coimbra EC U20, wearing the number 3 shirt. He plays primarily as a Midfield. He stands at 187cm tall and weighs 74kg.

Across 1 appearances in the Brazilian Campeonato Catarinense Division 1 2026, Alex Paulino de Castro registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.