Giovanni started in the youth ranks of Marília and became the first team's goalkeeper in 2008.

[4] In the following year he was lent again, this time to Grêmio Prudente in the Série A.

[5] In 2011 Giovanni was signed by Atlético Mineiro,[6] where he at first served as backup for Renan Ribeiro, but eventually made it into the first squad.

[7] He was Atlético's first-choice goalkeeper in the 2012 Campeonato Mineiro, won by the club, but returned to the bench after the arrival of Victor later in the same year.

[8] On 29 June 2018, Giovanni terminated his contract with Atlético after over seven years at the club.