Between 1933 and 1935, he built the church of Saint Anthony of Padua in the 15th arrondissement. His work for the "Parc des Expositions" (exhibition ground) at the "Porte de Versailles" included office buildings, medical service and, in 1937, with Louis-Hippolyte Boileau, the entrance to the Park. At the Brussels World Fair of 1935, he designed the "Pavillon de la Ville de Paris". In 1936, together with Maurice Mantout, he built the Franco-Muslim Avicenna hospital in Bobigny. With Jacques Carlu and Louis-Hippolyte Boileau, he won the competition for the construction of the Palais de Chaillot on the occasion of the 1937 Paris World's Fair. Azéma was a professor at the "Ecole nationale supérieure des Postes, Télégraphes et Téléphones", and on 8 August 1928 was appointed architect to the French postal service. He created the stamp museum in Paris as well as many post offices: Paris 1, in 1933, Paris 5 1933, Paris 8 and the sorting office at Paris Saint-Lazare in 1938, the Roquette Voltaire central office, Paris 20 then throughout France: Vichy in 1935, Bagneux, the Centre national d'études des télécommunications (CNET) in 1937, Argenteuil in 1940, Garches in 1941, Marseille in 1959, Strasbourg, the Centre for Giro and the telephone exchange in 1961, Charleville, Malesherbes, Chaumont, the gare de Troyes, and a water tower at Bordeaux. He finished his career with the Postal service on 31 December 1953. After retiring from the postal service, Azéma became the architect of the "Office de Radiodiffusion Télévision Française" (ORTF). At 65, he participated in the contest to design the Maison de la Radio in the 16th arrondissement of Paris. He was also responsible for the restoration of the Quai Conti Mint until 1978. An amateur painter, Azéma produced numerous works including several views of Parthenay (Deux-Sèvres), his wife's birthplace. He designed his villa in Sainte-Maxime sur Mer and his home in Bourg-la-Reine (4 avenue Aristide Briand), where he lived from 1939.