She played youth international friendlies for Brazil before winning bronze with the United States at the 2024 FIFA U-20 Women's World Cup.

She led her team in scoring with eight goals, the first Princeton freshman to do so since Tyler Lussi in 2017, and was named the Ivy League rookie of the year.

[2] Portland Thorns FC announced on January 8, 2025, that they had signed Tordin on a two-year contract with an option to extend an additional year.

[3] Tordin was first called up to the United States under-20 team in January 2024, scoring in stoppage time of her debut the next month in a 1–0 friendly win over Colombia.

[3][9] She emerged as the top scorer for the United States at the U-20 Women's World Cup with four goals, the most by an American at the tournament since Maya Hayes in 2012.