She was the first female cartoonist in the Brazilian press, working for such publications as A Cigarra, O Cruzeiro, Manchete, and Tribuna da Imprensa, where she became known for her political cartoons.
[1] In Rio de Janeiro, she began to work as an artist for the Diários Associados media group, illustrating reports written by Rubem Braga.
Weber also began drawing political cartoons early on, first for the Constitutional Party in its campaign against Getúlio Vargas.
[1] Through work in this and other workshops, Weber contributed azulejo tilework to such buildings as the Church of Saint Francis of Assisi in Pampulha.
[5] In 1950 she returned to Rio, having been hired as the cartoonist for the newspaper Tribunal da Impresa, which was run by Carlos Lacerda, a powerful figure in the conservative National Democratic Union party.
There, she drew satirical caricatures related to the news of the day, frequently depicting President Getúlio Vargas, which took on an anti-Peronist slant under Lacerda's leadership.