The Unanderra junior and former Sydney FC youth prospect joined the Wanderers on a Foxtel NYL contract for the 2015/2016 season.
The 19-year-old forward spent time in England with Aston Villa and Nottingham Forest and helped Sydney FC to a youth championship in 2013/2014.
The Australian U17 international made an immediate impact for the Wanderers, scoring in the pre-season friendly against the Central Coast Mariners in Coffs Harbour before making his senior debut against Brisbane Roar in the Westfield FFA Cup Round of 32 where he won a penalty in the dying stages.
Josh then spent the Foxtel National Youth League 2015/16 season with the Red & Black, finishing equal top goal scorer for the team.
Josh departed the Western Sydney Wanderers following the conclusion of the Hyundai A-League 2015/16 season.