Brunetta's youth career started with
Boca Juniors, he remained there between 2006 and 2009 when he joined the ranks of
Estudiantes and subsequently
Arsenal de Sarandí. He was promoted into the first-team squad of the latter for the
2016–17 Argentine Primera División season. Brunetta signed a new three-year contract with Arsenal in January 2017. However, in August, Brunetta joined
Belgrano. His first match came in the
Copa Argentina against
Defensores de Belgrano. He scored six goals, including braces over
Gimnasia y Esgrima and
Patronato, across twenty-three total appearances for the club. The deal included an obligation to buy, which would come into effect at the conclusion of the loan as the attacking midfielder agreed a contract until 2025. ==International career==