Jamey has been designing board games his entire life, but in late 2011 he started developing his first published board game via Kickstarter, Viticulture: The Strategic Game of Winemaking.

Jamey went on to design Euphoria, a worker placement game set in the dystopian future. He has since designed and published Scythe, a hybrid game that earned $1.8 million on Kickstarter. He also later designed Charterstone, Tapestry, Red Rising, Rolling Realms as well as several expansions.