Douglas began his footballing career on Santos FC's youth categories, and made his debut on 1 July 2012, against Portuguesa.
On 8 January 2014 Douglas joined Icasa, after his link with Santos expired.
[6] Douglas made his league debut against Atlético Goianiense on 13 February 2017.
[12] Douglas made his league debut against XV de Piracicaba on 29 January 2022.
[15] Douglas made his league debut against Democrata Futebol Clube on 23 January 2023.