She came to further recognition for her starring role as Margaret "Maggie" Leigh in the AMC supernatural horror drama series NOS4A2 (2019–2020).

[2][3][4] Smith began posting YouTube videos in 2017 on her channel Sailor J while working at a United States Air Force base.

[6] Her tutorial videos have included commentary on subjects ranging from Native American-inspired make-up to the phrase "thoughts and prayers".

[11] In 2018, Smith signed on to star as Margaret "Maggie" Leigh in the AMC supernatural horror drama series NOS4A2.

[13] Also in 2019, Smith portrayed Shay in the Hulu horror anthology series Into the Dark, starring in the episode titled "Pure".