She won the gold medal in the girls' 63 kg event at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina.

[2][3] Fayzullaeva won the bronze medal in the women's 58 kg event at the 2017 Youth World Weightlifting Championships held in Bangkok, Thailand.

[6] In 2018, Fayzullaeva won the gold medal in the women's 63 kg event at the Junior World Weightlifting Championships held in Tashkent, Uzbekistan.

Fayzullaeva won the gold medal in the women's 64 kg event at the 2019 Youth World Weightlifting Championships held in Las Vegas, United States.

[10] In 2021, Fayzullaeva won the silver medal in the women's 71 kg event at the Junior World Weightlifting Championships held in Tashkent, Uzbekistan.