After the war, he began working as an apprentice architect in 1947, and became a junior partner at the Atelier LWD, an architectural firm created by Guy Lagneau and Michel Weill in 1952.
During the thirty years of activity at LWD, the studio won many awards, serving private firms and the state with a complete process of design and implementation of architecture and overall urban planning.
[3] Dimitrijevic worked with Lagneau, Weill and Raymond Audigler on the design of the Museum of Modern Art at Le Havre, a box of glass, steel and aluminum with light, flexible spaces.
[1] Lagneau, Weill, Dimitrijevic, Prouvé and Perriand collaborated on the Maison de Sahara in 1958, a prototype developed in Paris in 1958 showing an innovative approach to solving the problem of extreme heat.
[5] He designed the Marinas of Cogolin in the Var department, a new departure for Dimitrijevic, and collaboration on the 120,000 square metres (1,300,000 sq ft) Quatre-Temps shopping center in La Défense, a business district of Paris, which opened in 1981.