Born in Juazeiro, Bahia, Petros graduated with Vitória's youth setup, and made his debuts while on loan at Democrata de Sete Lagoas in 2008.
[3] On 5 April 2014, after impressing with Penapolense in 2014 Campeonato Paulista, Petros signed a one-year loan deal with Corinthians, with a buyout clause.
[4] Petros made his debut on the main category of Brazilian football on 20 April 2014, starting in a 0–0 away draw against Atlético Mineiro.
On 15 July he signed a new four-year contract with Timão, who bought 50% of his federative rights,[5] being effective on 1 August;[6] he scored his first goal in the category late in the month, netting the last in a 2–0 home win against fierce rivals Palmeiras.
[10] On 22 June 2015 Petros signed a four-year contract with Real Betis, newly promoted to La Liga, for a rumoured €1.5 million fee,[11] with the transfer being officially announced three days later.