 By the age of 9, he played with the children's teams at the local Clube de Campo Associação Atlética Guapira.After a friendly match against Corinthians in the age of 15, Júlio was invited by a scout to train at their youth team, with which he won the 2004 and 2005 editions of the Copa São Paulo de Futebol Júnior.After Corinthians' main goalkeeper, Fábio Costa was barred by the coach Daniel Passarella and his immediate reserve Tiago suffered 5 goals in a derby match against São Paulo FC, Júlio Cesar's chances began to rise.