Smith attended UCLA where she played for the Bruins from 2012–2015. During her freshman season, she played in all 23 games, starting 17. Her three goals ranked eighth in the Pac-12 Conference and 20 points ranked tenth in points. Smith was named to the Pac-12 All-Freshman Team Top Drawer Soccer All-Freshman Team. During her sophomore season, her 8 goals ranked second on the team. Her 11 assists and 26 points both ranked third in the Pac-12. Smith started in 25 of the 26 games in which she played. During the NCAA Division 1 quarterfinals, she scored the game-winning golden goal in double overtime to lift the team past North Carolina and into the semifinals. Her three goals during the tournament helped the team clinch its first NCAA Division 1 College Cup title. Smith was named to the All-Pac-12 first team. During her junior season, Smith started in all 24 games. Her nine goals scored and four game-winning goals tied for second on the team. Her 23 points ranked third on the team and eighth in the conference. As a senior, she co-captained the team and was named to the MAC Hermann Trophy Watch List.
Smith was named to the Western New York Flash opening day roster for the 2016 NWSL season. She made twenty appearances for the club and scored two goals. The team's fourth place finish during the regular season with a record secured the team a berth to the playoffs. After defeating the Portland Thorns FC 4–3 in extra time during the semifinal, the Flash faced the Washington Spirit in the final and won the game in a penalty kick shootout after finishing 2–2 in extra time. Three months after the win, the Western New York Flash was sold to the ownership group of North Carolina FC and moved to Cary, North Carolina where they became the North Carolina Courage.
In January 2018, Smith was traded to the Washington Spirit along with teammate Ashley Hatch in exchange for Crystal Dunn's rights. Prior to the start of the season, Smith was added to the allocated player list by U.S. Soccer. She appeared in 23 games for Washington in the 2018 season.
In October 2018, after the conclusion NWSL season, Smith signed with the Newcastle Jets on loan for the 2018–19 W-League season. She became a key player in her first several appearances, earning the team's Player of the Month honors in November. In mid-December, Smith suffered an ACL tear in the 86th minute against Perth Glory after having registered two assists to fellow on-loan American, Katie Stengel.
On March 22, 2019, Reign FC announced that they had signed Smith through the discovery process for former allocated players. Due to the injury she suffered in the W-League, Smith is not expected to play during the 2019 NWSL season.