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Peg Cassidy is a distinguished Senior Staff Software Engineer at GitHub, with a strong focus on frontend development, web accessibility (a11y), and design systems. She is a passionate advocate for creating inclusive and user-friendly digital experiences, contributing significantly to GitHub's Primer Design System and accessibility initiatives. Peg is also known for her contributions to the wider developer community through speaking engagements, sharing her expertise on topics like React, component libraries, and building accessible applications at scale. Her work emphasizes practical solutions and fostering a culture of empathy in engineering.
Peg Cassidy's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Played a pivotal role in advancing web accessibility standards and practices within GitHub, leading initiatives to make the platform more usable for people with disabilities.
Key developer and advocate for GitHub's Primer Design System, contributing to its components, documentation, and adoption, thereby enhancing UI consistency and development efficiency across GitHub products.
Frequently speaks at national and international tech conferences (e.g., React Conf, SmashingConf, axe-con) sharing insights on frontend architecture, accessibility, and design systems, thereby educating and inspiring the developer community.
Active contributor to various open-source projects, particularly in the realms of JavaScript, React, and accessibility tools, beyond her work on Primer.
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Travelport is a global technology company that powers bookings for hundreds of thousands of travel suppliers worldwide. Buyers and sellers of travel are connected by the company’s next generation marketplace, Travelport+, which simplifies how brands connect, upgrades how travel is sold, and enables modern digital retailing. Headquartered in the United Kingdom and with a presence in over 180 countries, Travelport is focused on driving innovation that simplifies the complex travel ecosystem.
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