Joshua co-wrote the hit film 'Top End Wedding' and the children’s book 'Aunty's Wedding' with Miranda Tapsell. He has been a storyteller for over twenty years. First as an actor, dancer and playwright and more recently as a screenwriter and author. ‘Top End Wedding’ premiered at the 2019 Sundance Film Festival, was distributed by Universal, made over five million dollars at the Australian box office and was nominated for three AACTA awards including Best Film. 'Top End Wedding' can be found on Netflix, Hulu and iTunes.

Joshua starred in and co-wrote two seasons of the half-hour comedy series ‘Plonk’ (Stan). He has also written for a number of children animation series and worked with Australia’s top theatre and dance companies. Allen & Unwin published Joshua's first children's book 'Aunty's Wedding' in 2020.