Zarankiewicz was appointed to Warsaw University as an assistant in 1924 and continued with his research on topological properties of the plane for his habilitation thesis.
Zarankiewicz ay hihirangin upang angkinin Warsaw University bilang isang assistant sa 1924 at patuloy na sa kanyang mga pananaliksik sa topological pag-aari ng eroplano para sa kanyang habilitation sanaysay.