In 1915 Pavlovsky and his brothers Nicolas and Jean joined the Legion of Russian Volunteers to fight alongside French troops.
After obtaining his diploma he worked with his friend Louis Quételart in reconstruction of the cities of Méteren and Vieille-Chapelle in the North of France.
He first joined the neo-Basque movement whose leader was the architect Henri Godbarge [fr], then favored more modernist compositions.
During the World War II he joined the French Liberation Army in North Africa, landed in Provence and took part in the Western Allied invasion of Germany.
[4] André Pavlovsky was a reserve lieutenant-colonel, decorated with the 1939–1945 war cross, president of the regional council of the order architects and member of the Rotary Club.