In 1904 and 1905, he taught at Pakrac and at Pljevlja gymnasium,[3] where he had a colleague, professor and historian Gligorije Elezović.
Vasa Stajić published a socialist journal called Novi Srbin and Prosveta magazine and, because of his ideas, he was frequently arrested and questioned by the authorities.
[5] He has written more than twenty books, including Novosadske biografije (Biographies of Novi Sad) in six volumes and Velikokikindski dištrikt (The District of Velika Kikinda).
He also published studies on Svetozar Miletić (1926) and Jovan Jovanović Zmaj (1933) as well as more than 100 scholarly articles.
After World War II, he was president of Matica srpska, a position he held until his death.