She is an outspoken advocate for equal pay and is a co-founder and board member of the Black Women's Players Collective.

During the 2019 NWSL season, Purce moved into wide and central forward positions, and at one point scored 5 goals in a span of 5 games.

[15] While at Gotham FC, Purce has established a reputation as a strong dribbler and a dynamic, attacking player who's willing and able to take on defensive responsibilities.

[24] In November 2019, Purce received a call-up to Vlatko Andonovski's first training camp as the new USWNT head coach.

Purce played in her first match for the United States women's national team in their friendly against Costa Rica on November 10, 2019.

She played the full 90 minutes of the game as right back, and had a cross deflected in for a Costa Rica own goal in the U.S. team's 6–0 victory.

[26] She has appeared in 25 games for the national team, winning the 2021, 2022, and 2023 editions of the SheBelieves Cup as well as the 2022 CONCACAF W Championship with the United States.

[32] On March 24, 2021, Purce made an appearance at the White House with USWNT teammate Megan Rapinoe to raise awareness of the importance of equal pay.

"[33] Purce is the creator of The Offseason, a reality television starring NWSL players in training before the new season, which premiered in 2024.