Born in Naples on 22 April 2003, Caiazzo has been a Juventus player since the summer of 2019. A centre-back, Caiazzo made her first steps in the world of football with Sporting Vesuvio, spending time at Vapa Virtus Napoli, Sporting San Giorgio, Vesevo San Sebastiano, Napoli S.p.A and Vapa Virtus Napoli before joining Napoli Femminile.