Her father, Wanchai, is the Senior Tournament Director on the Asian Tour.

[4][5] Meechai captured her first career Taiwan LPGA Tour win at the 2015 Yeangder TLPGA Open, outlasted compatriot Mind Muangkhumsakul in the first playoff hole.

In 2016, Meechai recorded nine top-10 finishes, including three runner-ups, in her first season playing in the United States to finish fourth on the Symetra Tour money list to earn LPGA membership for the 2017 season.

[7] On 23 May 2021, Meechai recorded her career-best LPGA Tour finish when she tied for fifth place at the 2021 Pure Silk Championship in Virginia.

In June 2024, Meechai recorded a new personal best finish at a major, tying for 6th place at the 2024 U.S. Women's Open.