Katie Langerman is a Staff Designer, Design Systems at GitHub with nine years of experience building and maintaining large-scale design systems, including contributions to Primer — GitHub’s flagship design system. She blends front-end and full‑stack skills, having configured and deployed Storybook on pull requests and added accessibility and tooling improvements across primer/css, primer/react, and primer/view_components. Katie’s work spans CSS, React, Ruby, and JS, with notable attention to documentation, color modes, and component tooling that speeds developer adoption. A former freelance web and graphic designer and current co‑organizer of Ladies that UX Boston, she brings a visual‑merchandising sensibility and practical studio discipline to system-level UI problems.
An implementation of GitHub's Primer Design System using React
Role in this project:
Front-end Developer
Contributions:434 reviews, 61 commits, 282 PRs in 1 year 4 months
Contributions summary:Katie primarily contributed to the implementation of the GitHub Primer Design System using React. Their work focused on enhancing the Storybook environment by adding and modifying features related to color mode and color scheme toggles in the toolbar. They also worked on organizing Storybook folder structure. Additionally, they made changes to the `UnderlineNav` component by namespacing CSS classes.
Primer is GitHub's design system. This is the CSS implementation
Role in this project:
Front-end Developer
Contributions:245 reviews, 214 commits, 215 PRs in 1 year 1 month
Contributions summary:Katie primarily contributed to building and configuring Storybook for the Primer CSS repository. Their work included setting up the basic Storybook configuration, deploying Storybook on pull requests, adding stories for components like buttons and labels, and integrating features like a breakpoint picker and code block improvements within the Storybook environment. The user also focused on improving documentation and enhancing the visual aspects of the component library with new features.
primerreactsassprimer-csscss
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