After being awarded his doctorate, Cartan taught at the Lycée Caen from 1928 to 1929, then at the University of Lille from 1929 to 1931.
Pagkatapos na iginawad sa kanyang titulo ng doktor, Cartan tinuturuan sa Lycée Caen 1928-1929, at pagkatapos ay sa University of Lille 1929-1931.