An English teacher by trade, Rachael Johns began writing at seventeen, without publishing any of the output. After gaining a Bachelor of Arts (Hons) in Writing and English, she joined the Romance Writers of Australia. Her first book was published in December 2011: she has subsequently published with Carina Press, Tule Publishing, Harlequin Australia and Harlequin MIRA.
In 2018, Johns was based in Perth.