Patrick Marsceill is a product designer with 13 years of experience building developer-facing tools and polished user experiences, currently shaping design at Notion after working on autonomous developer tooling at Magic.dev. He led design for WorkOS end-to-end, and during a long tenure at GitHub helped design core workflows like Projects, Issues, Actions, Code Review, and security tooling. Hands-on and code-savvy, Patrick contributes to open-source front-end projects—improving documentation themes like just-the-docs with search, mobile navigation, and dark-mode previews—bringing a pragmatic blend of UI engineering and product thinking. Based in New York, he pairs an HCI-focused education from Drexel with a knack for turning complex developer workflows into clear, useful interfaces.
13 years of coding experience
9 years of employment as a software developer
Information Science, Human Computer Interaction, Information Science, Human Computer Interaction at Drexel University
A modern, high customizable, responsive Jekyll theme for documentation with built-in search.
Role in this project:
Front-end Developer
Contributions:23 releases, 20 reviews, 646 commits in 5 years
Contributions summary:Patrick primarily contributed to the user interface of the "Just the Docs" Jekyll theme. Their commits focused on modifying layout files and JavaScript files to add a search bar with search results, enhance the mobile navigation, and add a table of contents feature. They implemented a preview of dark mode and fixed pathing issues to ensure proper functionality.
Contributions:29 commits, 21 pushes in 3 years 4 months
just-the-docsjekyllremote-theme
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