She won the gold medal in the Taekwondo Championship at the 2018 Asian Games in the women's under 67kg category. Juliana defeated South Korean athlete Jan Da-ki, who was ranked 16th in the world, in the final match with a score of 5-1, securing the gold medal for Jordan and the first for the Arab region.
Juliana also won the bronze medal in the Grand Prix tournament in Moscow in 2018. Additionally, she achieved the bronze medal in Taekwondo competitions at the Islamic Solidarity Games held in Palembang in 2013, and the silver medal in the Asian Taekwondo Championship held in Ho Chi Minh City in 2019.