[4] Making her junior international debut, Piredda won silver at the Cup of Tyrol in February 2017.

[5] In September, Piredda debuted on the ISU Junior Grand Prix series, placing thirteenth 2018 JGP Canada.

Piredea would place twenty-seventh in the short program, failing to advance to the free skate segment of the competition.

[5][6] Due to a foot injury that required surgery during the summer off-season, Piredda was only able to resume training in the fall.

[5] Shortly following the national championships, Piredda would reinjure her foot due to tissues having not fully healed from her previous surgery.

[3] Piredda made her return to competition in December 2021 at the 2022 Italian Championships, where she captured the bronze medal.

She subsequently competed at the 2023 Dragon Trophy where she placed fifth before closing her season by winning gold at the 2023 Maria Olszewska Memorial.

[5] Piredda began the season by competing on the 2024–25 ISU Challenger Series, finishing fifth at the 2024 CS Trophée Métropole Nice Côte d'Azur.