His debut feature film, Greta, premiered at the 69th Berlin International Film Festival and was released worldwide. He has directed and written nine films, including short, medium-length, fiction, and documentary works such as A Mulher Biônica, O Amor do Palhaço, Origem: Destino, and Parque de Diversões.

His films have been screened at renowned festivals such as Clermont-Ferrand, the Latin American Festival in Toulouse, Mecal in Barcelona, and over 30 other international festivals. His second feature film, Fortaleza Hotel, won Best Actor and Best Actress awards at Cine Ceará. He is currently developing new projects — Ne Me Quitte Pas with Carnaval Filmes and Cachoeira do Descuido with Cinema Inflamável.

Armando has collaborated with leading Brazilian directors, including Marcelo Gomes, Sérgio Machado, Karim Aïnouz, and Márcia Faria, working as a screenwriter, researcher, assistant director, and cast coach. For television, he was a screenwriter for the FOX TV series Me Chama Bruna (Season 1), Betinho (in production) for Globo Play, Meninas do Benfica (in post-production) for Cine Brasil TV, and Pedro for Ipanema Filmes.