As a junior, Lee was named first-team All-State after averaging 18 points, five rebounds, and three assists per game.

[2] Lee committed to play college basketball at Vanderbilt after his junior year over offers from Louisville, Stanford, Florida State, and Nebraska.

[8][9][10] As a junior, he averaged 18.6 points, 3.5 rebounds, 4.2 assists and 1.5 steals per game and was named second team All-SEC by the Associated Press.

[15] Lee was selected 38th overall by the Utah Jazz in the 2020 NBA draft, then subsequently traded to the Detroit Pistons on November 22, 2020.

[16][17] On December 1, 2020, the Detroit Pistons signed him to a two-way contract with their NBA G League affiliate, the Motor City Cruise.

[20] On April 1, 2022, Lee achieved his first career double-double, with 11 points and 12 assists in a 110–101 win against the Oklahoma City Thunder.

[32] During the final game of the regular season, Lee recorded his second double-double of his NBA career (first with the Suns) with a career-high 25 points and 10 rebounds in a 119–114 loss to the Los Angeles Clippers on April 9, 2023.

On October 13, 2024, Lee signed with Maccabi Tel Aviv of the Israeli Basketball Premier League.