Founding Design Engineer
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Reach the decision-maker — $5About the role
### **About the Role**
This is a founding\-level, high\-ownership role at a fast\-growing Seed\-stage startup building an AI\-native platform for pricing strategy and deal intelligence. The team ships UI fast — a small, tight\-knit group augmented by AI coding agents writing production pull requests. **Speed is not the problem. Coherence is.** This role owns it: design tokens, the component library, and the frontend and conversational interface patterns that make everything the team ships — human\-written or agent\-written — feel like one cohesive product.
You'll be the sole bar\-raiser for frontend UX across the company, setting and enforcing standards as the team scales 2–3× in the next 12 months. If founding\-level ownership and entrepreneurship energize rather than intimidate you, this role is for you.
### **What You'll Do**
* Own the design system end\-to\-end: design tokens, component library, and documentation — ensuring every shipped surface feels intentional and unified. * Define and enforce frontend standards across the codebase, including accessibility (WCAG), brand guidelines, and code quality tooling (Biome configuration, Playwright E2E coverage, frontend performance). * Build and maintain reusable, production\-grade UI components using React, strict TypeScript, Tailwind CSS, and component primitives (shadcn/ui, Radix UI). * Shape conversational and AI\-driven interface patterns, including streaming responses and generative views, for B2B end\-users. * Integrate AI coding tools (e.g., Claude Code, Cursor) into frontend workflows and help the team maintain quality as agent\-generated code scales. * Partner directly with founders and product/engineering teammates to translate pricing intelligence workflows into polished, high\-performance interfaces. * Audit and continuously improve frontend tooling, performance, and accessibility across the product.
### **What We're Looking For**
**Required**
* 5\+ years building product interfaces, with a portfolio demonstrating a consistent bar for polish and shipped features. * Proven primary ownership of a design system or component library in production (public repo, portfolio, or detailed walkthrough acceptable). * Deep expertise in **React, strict TypeScript, Tailwind CSS**, and component primitives (shadcn/ui, Radix UI). * Strong command of WCAG accessibility standards and experience integrating brand guidelines into a codebase. * Hands\-on experience with frontend quality tooling: Biome, Playwright E2E, and frontend performance optimization. * Practical experience using AI coding tools in production (e.g., Claude Code, Cursor) and integrating them into frontend workflows. * Comfort acting as the sole senior voice for frontend UX standards across an entire company. * Must be authorized to work in the US — **visa sponsorship is not available at this time.**
**Nice to Have**
* Experience building non\-standard AI interfaces (streaming responses, generative views). * Experience designing and shipping conversational interfaces or chatbots for B2B end\-users. * Familiarity with constrained UI spaces: Slack Block Kit, Microsoft Teams Adaptive Cards, or CLI design patterns. * Experience with animation and UI state transitions (e.g., Framer Motion, Radix) to enhance perceived speed and polish.
### **Compensation \& Benefits**
* **Salary:** $180,000 – $220,000 USD annually * Founding team equity * Team hubs in San Francisco and Amsterdam, serving North American and European markets
### **Location**
This is an **on\-site role based in San Francisco, CA**. The team operates out of the San Francisco hub. Remote\-only arrangements are not available for this position.
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