He is the author of the photobooks Smog, Near, Infra, Toskana, European Eyes on Japan Vol. 18, and The Most Important Things I Do Not Tell You At All, designed by Thomas Schostock. His works have been published in SZUM, BIURO, LaVie, Machina, POST, and Bad to the Bone. He is a winner of the Show OFF Section of the Krakow Photomonth Festival 2012 and the WARTO 2015 Award.
In 2016 he was selected to take part in European Eyes on Japan—a unique project inviting photographers from European Capitals of Culture to capture everyday life in Japan. He is the winner of Griffin Art Space Prize—Lubicz 2017 for the best portfolio at Krakow Photomonth 2017. Rusznica currently runs a photography gallery, Miejsce przy Miejscu, dedicated to promoting emerging photographers from Poland and abroad.