Jerzy Zaruba was born on 17 July 1891 in Radom, in Vistula Land (now Poland). He graduated from the Warsaw School of Art (Szkoła Sztuk Pięknych) and Académie des Beaux-Arts in Paris. As a caricaturist, he made his own debut in 1920 in Marchołt.
Zaruba was member of the group Formiści, co-founder of the Circle of Graphic Artists in Advertising (Koło Artystów Grafików Reklamowych), active member of the Polish Arts Club (Polski Klub Artystyczny), art director of Cyrulik Warszawski. He was awarded the Golden Pin with Laurel (Złota Szpilka z Wawrzynem), prize of weekly magazine Szpilka for achievements in the field of humour and satire, for the year 1966. He was also awarded the Knight's and Officer's Cross of Polonia Restituta.
As a medium innovator, Zaremba's image composition was influenced by cubism. He was an author of satirical drawings and caricatures of artists and politicians published in satirical press, including Marchołt, Sowizdrzał, Cyrulik Warszawski, Wiadomości Literackie, Szpilki. He also contributed to magazines Stańczyk, Szarża, Wróble na Dachu, Szczutek. He was the pupil of Stanisław Lentz.
He died on 21 January 1971 in Warsaw, Poland.