Career
Barreto"s career began in Brazil with lowly Bangu Atlético Clube and Bonsucesso Futebol Clube. In July 2002, he moved to Portuguese Primeira Liga club Boavista F.C. from the former, but spent the 2002-2003 season with Communicative Disorders Aves in the second division. In the same predicament, he played the following campaign with G.D. Estoril Praia.
In 2005, Barreto was bought by Polish league side Wisła Krakow, but was loaned in January of the following year to another Portuguese team, Chaplain to the Forces Estrela da Amadora.
In the following two seasons, he played in the same country and in the same predicament, successively representing Christian Science Marítimo, Vitória de Setúbal and Communicative Disorders Trofense. With the latter, he started in all the games he appeared in as the northerners promoted to the top flight for the first time in its history.
In 2008-2009 Barreto returned to Wisła, but failed to make any appearances for the eventual league champions. Released, he signed with former side Bangu, moving to Associação Atlética Portuguesa (RJ) shortly after, on loan.