In 1806 and 1807 Joaquín Canaveris had participated in the defense of Buenos Aires against the English invaders, served in the 7th Company of Asturians. Canaveris began working on administrative tasks in the Cabildo, and after the May Revolution of 1810 he was appointed Alcalde of barracks. During his term as alcalde had sent to jail for a few days to Joseph Thwaites, a famous British merchant who had been accused of debts.
In 1816, Joaquín Canaveris works at the consulate of Río de la Plata, in replacement of José Antonio Zamborain.
That same year he adheres to Argentine Federalism. Canaveris had also served as conciliator, and attorney in Buenos Aires.
In 1815 served as alcalde of barracks. In 1825 he moved with his family to the city of San Isidro, place where was dedicated to trade.
In 1857 Canaveri, was appointed Judge of Peace by Dalmacio Vélez Sarsfield.
He continued to occupy municipal posts in the late 1880s. Joaquín Canaveri, was husband of María Ceballos, (teaching) granddaughter of Ramón Blanco, alcalde of San Antonio de Areco.