Born in São Gonçalo, Rio de Janeiro, Dória joined Botafogo's youth setup in 2009 at the age of 14.

[1] Promoted to the first team due to the injury of Brinner in January 2012, he made his professional – and Série A – debut on 27 May of that year, starting in a 3–2 away win over Coritiba.

In the 2013 campaign, Dória was an undisputed starter for Bota, appearing in 30 league matches and scoring one goal as his side qualified to Copa Libertadores after a 17-year absence.

On 1 September 2014 Dória signed a five-year deal with Olympique de Marseille for a reported fee of €7 million.

[4] He failed to make a first-team appearance following his arrival, being subsequently assigned to the reserves in Championnat de France amateur.