He later assisted Francisco Pereira Coutinho in founding Salvador da Bahia and in creating the first Portuguese colonial government in Brazil.

The district, which consists of the old cidade baixa of Salvador and landfill It was funded and initially used as the headquarters of Prudência Capitalização, an insurance company.

Ribeiro's design demonstrates Le Corbusier's influence in Brazil, beginning in the mid-1930s; it includes the use of pilotis, an open floor plan, a flat facade, running windows, and a garden terrace.

Following the Biennial prize for the Caramuru Building and subsequent note in the architectural press, Ribeiro became president of the Institute of Brazilian Architects, serving from 1953 to 1956.

[2] The Caramuru Building overlooks Bahia de Todos os Santos on the corner of Rua da Grécia and Avenida Estados Unidos, an avenue which runs across the coastline of the bay.

He construction a system of light iron grids, 2 by 3 meters high, detached from the facades and arranged in two planes, alternating in chessboard, spaced 25 centimeters and supported on concrete consoles protruding from the floor slabs.

[2][4] The Caramuru Building demonstrates the integration between art and architecture characteristic of period in its use of a wire sculpture by Mário Cravo Júnior.

IPAC negotiated an agreement between the owners of the Caramuru Building and Mário Cravo Júnior to produce a new version of Orfeu sculpture; its attempts were unsuccessful.