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Founding Design Engineer

San Francisco💼 Full-time💰 $180,000–$220,000🗓 2026-09-24 → 2026-09-26

Core

Founding-level frontend engineer owning the end-to-end design system and UI standards for an AI SaaS pricing platform.

Role type

Founding Frontend Engineer (Design System Owner)

Builds

Intelligent pricing platform for B2B companies

Domain

B2B SaaS / AI

Deliverable

production ML models | product features

Required skills

React, strict TypeScript, Tailwind CSS, shadcn/ui, Radix UI, design tokens, AI coding tools (Claude Code/Cursor), accessibility (WCAG), end-to-end testing (Playwright), performance optimization

Preferred skills

Streaming AI interfaces, generative views, constrained UI environments (Slack Block Kit, Teams Adaptive Cards), animation (Framer Motion)

Responsibilities

Own and evolve the design token system and component library; Define and enforce consistent patterns for agent-written code; Audit and maintain frontend tooling and quality; Enforce WCAG accessibility standards; Collaborate with AI coding tools to review and guide agent-generated UI; Build conversational and streaming AI interface patterns

Seniority

Founding, hands-on IC

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