Mark Reeder is a Senior Full Stack Engineer with 15 years of experience building modern web products across startups and large tech teams, currently driving full-stack work at Treeswift from Pennsylvania. He has a strong front-end pedigree—leading HTML5 transitions, mobile-first builds, and UI modernization at companies like Beatport, Glyde, Napster, and multiple roles at Uber—while also delivering backend and product-facing features. At Uber ATG and Incredible Health he helped scale complex systems and at Pulselocker he combined engineering with product leadership and direct customer research. An active open-source contributor, he has contributed React components and accessibility/theme refinements to the popular Base Web library. Colleagues rely on him for bridging design, product, and engineering to ship polished user experiences that balance technical robustness with real user feedback.
14 years of coding experience
23 years of employment as a software developer
Associate of Science, Interactive Media Design, Associate of Science, Interactive Media Design at The Art Institute of California
A React Component library implementing the Base design language
Role in this project:
Front-end Developer
Contributions:6 commits, 8 PRs, 19 pushes in 1 year 1 month
Contributions summary:Mark primarily contributed to the development of the React component library, focusing on implementing new components and fixing existing ones. They implemented the card component, addressing feedback and adding tests. The user also worked on the tag component, fixing bugs, and updating the styling. Furthermore, the user made documentation changes to respect OS theme preference.
Contributions:128 commits, 6 pushes, 1 branch in 9 years 11 months
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Mark Reeder - Senior Full Stack Engineer at Treeswift