[7] In October 2011 she took the second place at the Nalchik stage of the FIDE Women's Grand Prix 2011–12 with 7/11, ranked only after her compatriot Zhao Xue; her performance was enough to acquire her third and final norm required for the Grandmaster title.

[9] From June 18 to July 2, 2014, in the 5th stage of the FIDE Women's Grand Prix 2013–14 held in Lopota Resort, Georgia she finished jointly second with Elina Danielian and a 7/11 score.

[9] In November 2014, FIDE awarded her the GM title in the 4th quarter Presidential Board meeting in Sochi, Russia.

Ju earned the biggest win of her career in the fifth round of the Tata Steel Chess Tournament 2024, defeating then world number 6 Alireza Firouzja.

[16] She also drew World Champion Ding Liren in the final round, and eventually finished the tournament in 10th with 4½/13 (+1-5=7), gaining 9.7 rating points.

[19][20] This qualified her for a match for the Women's World Chess Championship 2017 against incumbent champion Tan Zhongyi.

In 2013, she won the silver medal with team Shanghai in the Asian Cities Chess Championship in Dubai.