Already capped with the Greece U17 national team, he was spotted by Olympiacos' scouts, who arranged his transfer to the Super League champions in the winter of 2013.

[2] Saliakas played little for Olympiacos and moved to Limassol-based side Karmiotissa on loan, who had been newly promoted to the Cypriot First Division.

On 12 July 2019, facing competition at Olympiacos for his playing position from Omar Elabdellaoui, Bruno Gaspar and Vasilis Torosidis, Saliakas moved to Lamia on a free transfer.

[5][6] With PAS Giannina he achieved 6th place in the 2021–22 Super League Greece.

[7] Saliakas made his debut for Greece national team on 3 June 2021 in a friendly against Belgium.