Career
Poljak signed a three-year contract with Turkish Super League club Eskişehirspor in July 2008. In July 2012 Poljak signed a two-year contract with Azerbaijan Premier League side Simurq. Poljak made his debut on 4 August 2012 in a 1-1 draw at home to Gabala, playing the full 90 minutes.
His first goal for Simurq came in a 2-0 away victory over Khazar Lankaran on 20 September 2012, finishing the season with 4 goals in 29 league games.
Poljak signed a new one-year contract, with the option of a second year, with Simurq during the summer of 2014.