At the age of 15, he moved to the United States, where he joined a golf academy in Port St. Lucie, Florida.

[2] His younger brother, Leo, is a professional e-sports competitor in the United States.

His first Korn Ferry Tour event was the BMW Charity Pro-Am, where he made the cut and finished tied for 31st place.

In September 2023, Biondi played in his first PGA Tour event, receiving a sponsors invite to compete in the Fortinet Championship, where he missed the cut.

For the rest of 2023, he played in three more PGA Tour events, making the cut twice, with his best result being a T13 finish at the Bermuda Championship.