From 2014 to 2017, she played Sydney Katz on the Canadian medical drama Saving Hope, and since 2023 she has had a lead role on The Spencer Sisters.

In her role as Ellie Nash on Degrassi: The Next Generation, Farber plays a troubled girl who has problems with depression and cutting, while dealing with an alcoholic mother.

[6][7][better source needed] In addition to playing Ellie in Degrassi, Farber also appeared in the 2001 Canadian short film Bagatelle.

She played Young Kathryn in the 2002 crime film Narc, guest-starred as Lacy Sanders on an episode of the television drama Doc, and guest hosted the 2004–05 season finale of The N's Best Friend's Date.

[13] In October 2020, Farber was cast in the recurring role of Leslie Larr, described as a "hardened, world-worn dream killer", on the CW television series Superman & Lois.