He played college basketball for the NC State Wolfpack of the Atlantic Coast Conference (ACC).

Hellems played basketball for Chaminade College Preparatory School in Creve Coeur, Missouri.

[1] In his senior season, Hellems averaged 23 points, eight rebounds and three assists per game, leading his team to a Class 5 runner-up finish, and received Metro Catholic Conference Player of the Year honors.

[2] He scored the third-most points in school history, behind Bradley Beal and Jayson Tatum.

Hellems finished his college career with 1,244 points, 160 three pointers made, 469 rebounds, 142 assists and 96 steals.

[6] Hellems participated in the 2022 NBA Summer League team for the Boston Celtics.

[8] On October 22, 2022, the Oklahoma City Blue selected Hellems in Round 1 with Pick 5 in the 2022 Annual NBA G League Draft.

On December 6, 2023, the Kings agreed to trade the returning player rights to Hellems to the Sioux Falls Skyforce.

[15] On October 26, 2024, Hellems joined the Salt Lake City Stars after being selected in the 2024 NBA G League draft,[16] but was waived five days later.