Pirovano started the European Cup for the first time in February 2014 in Monte Pora and finished 43rd in the giant slalom. The following year she won the silver medal in giant slalom at the 2015 European Youth Olympic Winter Festival in Malbun . In the 2015/16 season she reached 13 top ten placements in the European Cup. She achieved third place in the giant slalom in Sestriere and won her first European Cup victory in the giant slalom in Kvitfjell . In December 2015 she made her debut in Lienz in the World Cup . With the 41st place in the giant slalom, she missed the second round. In March 2016, as in the previous year, she became the Italian junior champion in giant slalom. At the end of the season she took fifth place in the giant slalom classification and third place overall in the European Cup.
At the 2017 Junior World Championships in Åre , Pirovano won the gold medal in giant slalom. She won her first World Cup points on October 28, 2017, finishing 19th in the giant slalom in Sölden .