Dustin Greif is a Senior Software Engineer with 12 years of full‑stack experience building scalable web UIs and real‑time systems, currently shaping front-end architecture at GitHub. He designed a React SSR system and a presence service for github.com, established a UI monorepo to speed builds and ownership, and contributes to Primer React improving focus management and accessible components. Previously he led development of WebRTC-based telehealth apps and an internal UI library at TelePharm, and co-founded a startup where he architected web and hybrid mobile apps. Comfortable across TypeScript, React, Node, Go, and WebSockets, he pairs pragmatic engineering with an eye for reusable, accessible UI primitives. Known for shipping production features end-to-end, he combines deep front-end craft with systems thinking honed by building real‑time, multi‑user experiences.
12 years of coding experience
9 years of employment as a software developer
University of Illinois Urbana-Champaign
Bachelor of Science in Engineering, Computer Engineering, 4.0, Bachelor of Science in Engineering, Computer Engineering, 4.0 at University of Iowa
An implementation of GitHub's Primer Design System using React
Role in this project:
Front-end Developer
Contributions:191 reviews, 56 commits, 117 PRs in 1 year 3 months
Contributions summary:Dustin contributed to the Primer React library by addressing issues related to focus management, including implementing a focus trap and handling dynamic content within it. The user also focused on improving code quality by linting and formatting files using Prettier. The commits demonstrate work on UI components, including SelectMenu and ActionList, and implementing features such as active descendant functionality.
Unofficial API for Ring Doorbells, Cameras, Alarm System, and Smart Lighting
Contributions:3 commits in 1 year 6 months
alarm-systemapiringhome-assistantunofficial-api
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