Founding Design Engineer

13 hours ago

Base Salary

$180k - $220k/yr

Responsibilities

Own and evolve the production design system, including design tokens, component primitives, reusable patterns, and frontend standards.
Translate design intent into component abstractions and lint rules that keep human-written and AI-generated work consistent.
Set frontend UX and quality standards while improving Biome configuration, Playwright end-to-end coverage, and performance.
Define and maintain reliable interface patterns for React Query, React Hook Form, and Zod.
Build polished product and conversational interfaces, including streaming responses, generative views, and constrained-space experiences.
Use AI coding tools in production workflows and improve their contribution to frontend development.

At least 5 years of experience building product interfaces with a portfolio of shipped features demonstrating strong visual and interaction quality.
Deep expertise in React, strict TypeScript, Tailwind CSS, and component primitives such as shadcn/ui or Radix UI.
Production experience as the primary owner of a design system or component library, demonstrated through a public repository, portfolio, or detailed walkthrough.
Experience owning frontend tooling and quality and translating design direction into tokens, component patterns, and maintainable standards.
Hands-on design or UX engineering experience rather than a design-only background.
Experience with AI coding tools and conversational or other non-standard interfaces.
Familiarity with animation, state transitions, and interface patterns for chat, collaboration tools, or command-line experiences is helpful.
Must be authorized to work in the United States without visa sponsorship and able to work onsite five days per week in San Francisco.