On May 3, 2017, LeRae made her televised in–ring debut for WWE, participating in a number one contender's battle royal for Asuka's NXT Women's Championship, however, she was unsuccessful in winning the match as she was eliminated by Billie Kay. In July, she was announced as one of the participants for the Mae Young Classic tournament. She defeated Renee Michelle in the first round and Nicole Savoy in the second round, but was eliminated in the quarterfinals by Shayna Baszler.
On January 16, 2018, WWE announced LeRae had signed a contract with the company. Shortly after, LeRae was inserted into her husband Johnny Gargano's feud with then–NXT Champion Andrade "Cien" Almas and his manager Zelina Vega as an equalizer from Vega's interferences and attacks during their matches. This led to a match between the two on the April 18 episode of NXT, where LeRae scored her first victory as part of the brand. Two weeks later, now working as an active competitor, LeRae suffered her first loss as she was unable to defeat Bianca Belair.
In July, LeRae competed against Kairi Sane and Nikki Cross in a triple–threat number one contender's match which was eventually won by Sane. After a few months of investigation, in November it was revealed that Gargano was the mystery attacker of Aleister Black, a storyline in which Nikki Cross was the witness. This sparked a match between LeRae and Cross, where LeRae was defeated. After a short hiatus, in what was her first appearance on the main roster, LeRae competed in her first women's Royal Rumble match at the Royal Rumble on January 27, 2019, entering at number 17 and lasting 09:35 minutes, before being eliminated by Ruby Riott. A few months later on April 7, LeRae made her WrestleMania debut as she competed in the second WrestleMania Women's Battle Royal during the WrestleMania 35 pre–show, where she was eliminated by Asuka. On the April 11 episode of NXT, that was taped on NXT TakeOver: New York, LeRae returned to NXT as she defeated Aliyah in her first match back. Throughout the following months, LeRae picked up victories over various competitors and eventually aligned with Io Shirai who was feuding with Shayna Baszler and her allies Jessamyn Duke and Marina Shafir. On the June 26 episode of NXT, the alliance between the two ended as Shirai attacked LeRae, after LeRae interfered in the NXT Women's Championship steel cage match. After a brief hiatus, LeRae returned on the July 24 episode of NXT and attacked Shirai during her match with Kacy Catanzaro, this led to a singles match between LeRae and Shirai at NXT TakeOver: Toronto. At the event, LeRae lost to Shirai. In September, LeRae was inserted in a fatal four-way match to determine the number one contender to Shayna Baszler's NXT Women's Championship, which she went on to win, after she pinned Mia Yim. LeRae received her title match on the October 2 episode of NXT, but she was unsusccessful in capturing the championship from Baszler. In November, LeRae was announced as being a part of Team Ripley (Rhea Ripley, Dakota Kai, Tegan Nox, and LeRae) for the first ever women's WarGames match at NXT TakeOver: WarGames. At the event, Kai turned on the team and attacked Nox, effectively leaving the match to Ripley and LeRae. They however were able to defy the odds and win the match against Team Baszler. The next night at Survivor Series, LeRae was again part of Team NXT, where their team would defeated Team Raw and Team SmackDown in the women's traditional Survivor Series match.
On January 26, 2020, at the Royal Rumble, LeRae competed in the women's Royal Rumble match, entering at number nine, but was eliminated by Bianca Belair. On the April 8 episode of NXT, LeRae helped Johnny Gargano (who turned heel in February) to defeat Tommaso Ciampa, thus turning heel for the first time in her WWE career. On the April 29 episode of NXT, LeRae debuted a new look, titantron and entrance theme as she defeated Kacy Catanzaro. On the May 6 episode of NXT, LeRae accompanied Gargano to the ring as he defeated Dominik Dijakovic. Gargano and LeRae began appearing together more frequently as a power couple as they feuded with Mia Yim and Keith Lee. At NXT TakeOver: In Your House, LeRae teamed with Dakota Kai and Raquel Gonzalez, where they were defeated by Mia Yim, Tegan Nox and Shotzi Blackheart. On the July 8 episode of NXT The Great American Bash, LeRae defeated Yim in a street fight. On the September 23 episode of NXT, LeRae competed in a battle royal to determine the number one contender for the NXT Women's Championship, which she won by eliminating Shotzi Blackheart. She received her title shot at NXT TakeOver: 31, where she lost to Io Shirai. On the October 14 episode of NXT, LeRae was successful in gaining yet another NXT Women's Championship match at NXT Halloween Havoc with a consecutive win over Blackheart. At the event, LeRae was once again unsuccessful in capturing the title. An incensed LeRae, feeling that Blackheart cost her the Women's Championship, swore revenge by stealing and destroying Blackheart's toy tank in front of her, leaving Blackheart an emotional wreck and starting a feud between the two. On the November 18 episode of NXT, it was announced that LeRae would lead one of the two women's teams (Team Candice) against that of Blackheart (Team Shotzi) in the second-ever women's WarGames match at NXT TakeOver: WarGames. At the event, LeRae's team was victorious. The following week on NXT, LeRae was featured in a segment alongside Gargano, Indi Hartwell, and Austin Theory, in which they started referring to themselves as The Way – a faction consisting of the four. On the January 22, 2021 episode of 205 Live, LeRae and Hartwell defeated the team of Cora Jade and Gigi Dolin in the quarterfinals of the women's Dusty Rhodes Tag Team Classic tournament, which marked the first time that a women's match had ever taken place in the brand's history. On the May 4 episode of NXT, she and Indi Hartwell defeated Ember Moon and Shotzi Blackheart in a street fight to win the NXT Women's Tag Team Championship. At NXT The Great American Bash, they lost the titles to Io Shirai and Zoey Stark, following a distraction from the returning Tegan Nox.
The Way would officially disband later that year, following the announcement of LeRae's pregnancy. LeRae remained under contract with WWE until May 6, 2022, when LeRae’s contract expired.
On the September 26, 2022 episode of Raw, LeRae returned to WWE as a face, defeating Nikki A.S.H.. On January 28, 2023, at the Royal Rumble, LeRae competed in the women's Royal Rumble match at number twelve, but was eliminated by Iyo Sky. After Hartwell's promotion to the main roster, LeRae reunited with Hartwell as a tag team. On January 27, 2024, at the Royal Rumble, LeRae competed in the women's Royal Rumble match at number four, but was eliminated by Damage Control. At Elimination Chamber: Perth, LeRae and Hartwell challenged the WWE Women's Tag Team Champions The Kabuki Warriors for the titles in a losing effort.
On the March 11 episode of Raw, LeRae showed a more aggressive side and in particular, taunted Maxxine Dupri over the death of her real-life brother, thus turning heel. On night two of the 2024 WWE Draft on April 29, LeRae was drafted to SmackDown with Indi Hartwell. On May 25, at King and Queen of the Ring, LeRae and Hartwell lost another title match against the new tag team champions Bianca Belair and Jade Cargill. During WWE Speed on October 9, LeRae defeated Iyo Sky to become the inaugural WWE Speed Women's Champion.