After training at the London Academy of Music and Dramatic Art, Pierre gained recognition for his role as Dev-Em in the science fiction series Krypton (2018–2019).

He starred in the period drama miniseries The Underground Railroad (2021), and the thriller films Old (2021) and Rebel Ridge (2024).

[16] American director Barry Jenkins saw Pierre in Othello and sent him a message after, inviting him to audition for his new series.

[19][20] In August 2021, it was reported that Pierre would reteam with Barry Jenkins as a young Mufasa in a Lion King film.

[21] In October 2021, after John Boyega stepped down for family reasons,[22] Pierre starred in Jeremy Saulnier's film Rebel Ridge, streamed on Netflix in 2024.