Chien played on the Symetra Tour in 2012 before focusing on playing in Asia, where she won the 2014 Taiwan LPGA Tour Order of Merit.
In 2016, she returned to the Symetra Tour and won the inaugural Kansas City Championship to finish 10th on the Symetra Tour money list and earn LPGA status for 2017. In her LPGA Tour rookie season, she tied for 3rd at the Marathon Classic and finished seventh in the rookie of the year standings. In 2018, she had a season-best finish of a tie for 6th at the Lotte Championship.[1]
In Taiwan, where she won the 2020 Taiwan Mobile Ladies Open and the 2021 Hitachi Ladies Classic, and was runner-up at the event the following year, behind Tsai Pei-Ying. In 2021, she played on the Epson Tour, earning a win at the Circling Raven Championship.[2] She tied for 4th at the LPGA Q-Series to return to the LPGA Tour for the 2022 season.[3] She finished tied 4th at the 2022 ISPS Handa World Invitational.