After the war ended, he returned to Belgium and when he was 22, he started working as an illustrator for the newspaper La Meuse. He got a contract with businessman and journalist Georges Troisfontaines, who started the press agency "World Press". There, Hubinon met Jean-Michel Charlier, another illustrator for the agency.
Following the conclusion of hostilities, he returned to Belgium and began his career as an illustrator at 22 by working for the newspaper La Meuse. He entered into a partnership with entrepreneur and journalist Georges Troisfontaines, who established the news agency "World Press". There, Hubinon encountered Jean-Michel Charlier, another illustrator employed by the agency.