[8] Although Demos was interested in acting at an early age, he first worked as a construction laborer in his father's demolition business, the Wollongong steelworks, a roofing company, and in Bondi's Hotel Ravesis.
[14] In 2019, Demos starred opposite Christina Milian in Netflix's Falling Inn Love which was shot in New Zealand.
[11] In 2020, Demos filmed the Netflix series Sex/Life, inspired by the book 44 Chapters About 4 Men by BB Easton,[15] in Toronto, Canada.
The film tells the story of an American wine company executive who travels to Australia to land a major client and ends up sparking a connection with a man she meets on a sheep farm.
[22] In 2021, Demos revealed that he was dating American actress Sarah Shahi, his co-star on the Netflix show Sex/Life.