[4] Liang made her directorial debut with the autobiographical documentary film Banana in a Nutshell (2005), which was about her own cross-cultural romance with a Pākehā.
[5] Liang is a part of the Thousand Apologies Collective, a creative cohort of seven writers and filmmakers based in Auckland, New Zealand, which includes Shuchi Kothari and Serina Pearson.
They made their television debut with their pan-Asian sketch comedy series A Thousand Apologies on TV3, New Zealand's first prime time Asian program.
[11][12] Kothari and Liang later cofounded the Pan-Asian Screen Collective with others in August 2018 to support Asian filmmakers in New Zealand.
[15] In 2020, Liang directed and co-wrote Shadow in the Cloud, a WWII action-horror film, starring Chloë Grace Moretz from a story treatment by Max Landis.