Josh earned an undergraduate degree in biochemistry from the University of Ado Ekiti, and holds a professional certification from the Nigerian Institute of Science Laboratory Technology.
In 2007, Josh was a cast member of the Nigerian reality television show called Next Movie Star, which focused on discovering new talents in the acting profession.
In 2012, Josh co-hosted a TV talent hunt show Lucozade Boost Freestyle with Nigerian comedian Julius Agwu.
In July 2012, Josh began her career as a journalist as a co-host of the early morning show Sunrise Daily on Nigerian cable news network Channels TV in Lagos, Nigeria.
She became the Channels TV evening news anchor and worked as a producer reporting on international affairs, a position she held until October 2017.