Taynara, under her real name Taynara Conti, was announced as having signed with WWE and reported to the WWE Performance Center in October 2016. She made her debut at WrestleMania Axxess in Orlando, Florida on April 1, 2017, competing against Sarah Bridges in a losing effort. Starting the summer of 2017, Conti began wrestling regularly at house shows. Conti also took part in the inaugural Mae Young Classic, however, she was eliminated in the first round by Lacey Evans and was unable to move forward in the tournament.
In her television debut, Conti appeared on the October 11, 2017 episode of NXT, as she interfered in a triple threat match between Nikki Cross, Peyton Royce and Liv Morgan on behalf of The Undisputed Era (Adam Cole, Bobby Fish, and Kyle O'Reilly), preventing Cross from winning the match. This led to a match between the two, that took place on the November 1 episode of NXT, where Conti was defeated by Cross in her first televised singles match. On April 8, 2018, Conti made her WrestleMania debut at WrestleMania 34, competing along with several other NXT women in the WrestleMania Women's Battle Royal, becoming the first female Brazilian to compete at WrestleMania. In July (aired on tape delay during September and October), Conti qualified for the 2018 Mae Young Classic tournament after she defeated Vanessa Borne. She defeated Jessie Elaban in the first round, but was eliminated by Lacey Lane in the second round of the tournament. On April 17, 2020, she was released from her WWE contract.