She won the gold medal in the women's welterweight event at the 2022 World Taekwondo Championships held in Guadalajara, Mexico.

Soltero won one of the bronze medals in the girls' 63 kg event at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina.

She also won one of the bronze medals in the women's 67 kg event at the 2021 Pan American Taekwondo Championships held in Cancún, Mexico.

Soltero won the gold medal in her event at the 2021 Junior Pan American Games held in Cali, Colombia.

[3][4] She won the silver medal in her event at the 2022 Pan American Taekwondo Championships held in Punta Cana, Dominican Republic.