Club career
Poljak started her career in her hometown club Spartak Subotica in Serbia. After playing 4 seasons at the top league, Poljak left for the Hungarian Champions Ferencvárosi TC, where she spent 2 seasons playing 32 games and scoring 27 goals.
Poljak joined the Spanish side of UDG Tenerife in 2019 and played there until June 2021. Poljak moved to Real Sociedad in July 2021. She then went on to spend stints with Levante Las Planas and Madrid CFF.

