John Duff

John Duff is an experienced engineering leader currently serving as Head of Engineering at Onward since October 2022 and as a Technical Advisor for Invest Ottawa since September 2018, where responsibilities include advising startups on technology, architecture, and team hiring. Previously, John held various roles at Shopify, including Director of Engineering and Contract Software Developer, focusing on high-quality product delivery and full-stack development. Earlier career positions include software development roles at PatientWay, Overlay.TV, and CleanCode, and John holds a Bachelor's degree in Software Engineering from Carleton University.