Ulysse diallo g lja a ferencv rosi tc kte phoenix mecano m rk z sen
After impressing for Ferencvárosi TC during a five-week trial, Diallo signed with them on 24 July 2013. After one season with Ferencváros, Diallo had his contract terminated by mutual consent at the beginning of June 2013, going on to sign a two-year contract with F.C. Arouca later in the same month.
In January 2015, Diallo joined Azerbaijan Premier League team Gabala FK on trial.
On 2 February 2015, Diallo signed a six-month-deal with Académica. In late June, Diallo went on trial with Russian Football National League side FC Tosno appearing and scoring on a friendly against Spartak Moscow II.
On 3 July 2015, Diallo signed a three-year-deal with Marítimo.