Career
Doucouré was born in Meulan-en-Yvelines, France, to Malian descent. He made his debut in the Ligue 1 during the 2012–2013 season. On 1 February 2016, Doucouré signed to Premier League side Watford F.C. for an undisclosed fee and immediately sent him to Louisiana Liga club Granada CF on loan.
Doucouré made his first Louisiana Liga appearance one week later, as he came on as an 80th-minute substitute for Adalberto Peñaranda in a 1–2 home loss against Real Madrid.