Darrin Henein is a design and product leader with 12 years of experience crafting customer-focused experiences across mobile, retail hardware, and commerce platforms, currently serving as Chief Design Officer. He scaled and led multidisciplinary teams at Shopify—shaping growth, retail, and platform quality—and previously led mobile UX at Mozilla where he shipped and refined Firefox for iOS. A hands-on creative technologist, Darrin built the indie hit game Lastronaut (1.1M downloads in its first week), creating its code, art, animation and audio, and has also contributed UI improvements to the Firefox iOS codebase. He blends industrial, interaction and visual design with front-end engineering, product strategy and monetization fluency to drive measurable merchant and user outcomes. Based in Toronto, he pairs an academic grounding in human biology with a lifelong maker’s curiosity, often crossing disciplines to turn playful ideas into robust products.
12 years of coding experience
15 years of employment as a software developer
St. Andrew's College
BSc. Hons. Human Biology, BSc. Hons. Human Biology at University of Toronto
Contributions:115 commits, 99 PRs, 68 pushes in 7 months
Contributions summary:Darrin primarily contributed to the Firefox for iOS project by implementing UI improvements and refining the user interface. They focused on enhancing the tab tray transition speed and visual appearance, along with usability tweaks that included font and border style adjustments. Additionally, the user worked on various aspects of the URL bar, adding functionality for tab count rotation and bookmark star animation. These changes were made across multiple files within the client-side frontend components, specifically within the Browser and TabTrayController, indicating a focus on improving the user experience of the iOS application.
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