Katie Sylor-Miller, Frontend Architect at Etsy, has a passion for design systems, web performance, accessibility, frontend infrastructure, and the practice of Staff Engineering. As an invited expert on the W3C Web Performance Working group, she helps to guide browsers towards improving Web Performance APIs. As co-author of the Design Systems Handbook she helped to share best practices for engineering a design system with engineers and designers. She’s spoken about her multitude of specialities at conferences like Performance.now(), Lead Dev Staff+, Smashing Conference, PerfMatters, and JSConf US (to name a few). Beyond her day job, her website ohshitgit.com (and the swear-free version dangitgit.com) has helped millions of people worldwide get out of their Git messes (and has been translated into 28 different languages and counting), and led to a collaboration with Julia Evans of Wizard Zines on an Oh Shit Git Zine.