Bartlett was born in Adelaide, South Australia, but moved with his family to the Gold Coast, Queensland, in 2005 at the age of seven.
[2] He began playing junior cricket for Surfers Paradise[3] and made his first grade debut for the Gold Coast Dolphins in November 2015 at the age of 17.
[4] He made his List A cricket debut for the Australian National Performance Squad against India A on 27 August 2016.
[12] In January 2024, he earned his maiden call-up to Australia's One Day International (ODI) squad for their series against the West Indies, as an injury replacement for Jhye Richardson.
[18] Bartlett made his Twenty20 International debut in February 2024 in the third match of the series against the West Indies at Perth Stadium as a replacement for the injured Josh Hazlewood.