He was taught art by Cipriano Borja, Ramón Vargas, Rafael Vanegas, Andrés Acosta, Tomás Camacho, Santos Cevallos, and Antonio Salas.
To earn money, Pinto began to give classes in culture, while continuing his art studies.
In 1877, Pinto illustrated Federico González Suárez's book Estudio Histórico Sobre los Cañaris.
His notable clients included Rogelio Bonnal and the French minister Hipólito Fandiu.
Beginning in 1904, he taught painting in Quito's Escuela de Bellas Artes.