Founded in 2016
Austin-based product design lab established in 2016.
Proto UX
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About Proto UX
Proto UX was established in Austin in 2016, initially using "Proto" to mean prototype and now describing its work as protocol design. The lab designs the logic behind digital products. Its approach connects cognitive science with system architecture, mapping user intent and planning for complex error states and recovery paths. It also conducts code-first validation in the browser, then builds production-ready systems rather than handing off designs alone. Work includes interface design, state machines, data schemas, and agentic systems. Proto UX focuses on high-complexity domains such as fintech and data, particularly for engineering-led teams. Its modern development stack includes Next.js, React, TypeScript, Tailwind CSS, Shadcn/ui, Supabase, and Vercel. The business is based in Austin and serves product teams.
Disclosure: Profile information has been compiled from publicly available sources and has not yet been verified by the business.
Representative photos. Illustrative images for this category, not photos of Proto UX and not provided by the business.
Services & specialities
Highlights
Code-first validation
Tests product behavior in the browser, beyond slide decks.
Production systems
Designs system architecture and delivers production code.
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