David Mcgaffin is a Senior UI Engineer with over two decades of hands-on experience building user interfaces and full-stack web applications, currently shaping front-end experiences at Posit in Boston. He has shipped production UIs across industries—from donor management for non-profits to carrier-class email, video CMS, and CI/CD dashboards—using HTML, JavaScript, node.js, Ruby on Rails, and native mobile tools. Known for taking projects from wireframes to polished products, he’s delivered everything from Chrome extensions and Sinatra services to iOS/Android demos and Docker-based UI surfaces. His background includes long tenures at Brightcove and Codeship where he bridged front-end craftsmanship with backend integrations and tooling. A lifelong learner, he consistently expands his toolkit across languages and platforms while favoring pragmatic solutions that improve developer and user workflows. Based in Boston, he combines deep legacy-system experience with modern UI/UX sensibilities to drive robust, user-focused interfaces.
11 years of coding experience
32 years of employment as a software developer
B.A., Speech Communication, B.A., Speech Communication at North Carolina State University
Contributions:2 PRs, 8 pushes, 4 branches in 3 years 7 months
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David Mcgaffin - Senior UI Engineer At Posit at Posit PBC