Career
He made his professional début in Norwich"s 3–1 Football League Cup victory against Crawley Town on 26 August 2014. Living in Cambridge, Cambridgeshire, Hall-Johnson began his career in the youth system at Cambridge before joining Norwich City at the age of 11. He became an academy scholar in the summer of 2012 and was in the winning FA Youth Cup squad with Norwich in May 2013.
In December 2013, he signed a professional contract until the summer of 2016.
He signed another one-year contract on 18 September 2015 with the option of another year.