He studied in Rome under Marco Benefial. In 1750 he was called to Dresden, Saxony, where he was employed by Elected King Augustus III of Poland; after whose death he went to Vienna, and thence to Warsaw. There he met and worked by the side of Italian painter in Dresden, Vienna and Warszawa, Bernardo Bellotto. He was the Director there of the new set up Academy of Arts of Warsaw. He painted a set of the Polish kings, from Boleslaus Chrobry downwards. That of Stanislaus II, Stanisław August Poniatowski has been engraved by A. de Marcenay de Ghuy, Küstner, and A. Fogg. He also made a portrait of Izabela Lubomirska in her wedding gown, that she commissioned years later after her marriage. Bacciarelli also painted scenes from the History of Poland. He died in Warsaw.
A number of his paintings were painted for King Stanisław August Poniatowski of Poland and are in the Royal Castle in Warsaw. These include
Strength, Reason, Belief, and Justice, in the Old Audience Chamber
The Flourishing of the Arts, Sciences, Agriculture, and Trade on the ceiling of and the Old Audience Chamber