After starting out at Padroense, he spent the better part of his career in Greece with AEK Athens, making 227 competitive appearances and winning the 2017–18 Super League.

[2] Born in Matosinhos, Simões played with three clubs as a youth, including FC Porto from ages 8 to 14.

in late June 2013,[7] helping to a return to the Primeira Liga after one year[8] by contributing two goals[9][10] and nearly 2,800 minutes of action.

He made his debut in the Portuguese top flight on 17 August 2014, playing the full 90 minutes in a 1–0 away win against C.D.

[15] On 26 November 2018, however, following a league defeat to Panetolikos FC, AEK owner Dimitris Melissanidis engaged in a heated conversation with three players, ostracising Anastasios Bakasetas, Vasilios Lampropoulos and Simões from the team; in his press-conference ahead of the upcoming UEFA Champions League game against AFC Ajax, head coach Marinos Ouzounidis all but confirmed that the trio had ceased to be part of his plans.