# Founding Design Engineer

**Company:** [Sirius](https://hotfix.jobs/companies/sirius)
**Location:** San Francisco, CA
**Role:** Frontend Engineering
**Salary:** $120k – $160k/yr
**Experience:** 3+ years
**Skills:** TypeScript, Figma, Frontend Frameworks, Claude Code, Design Systems, UI/UX Design, Prototyping, Auto Layout, Design Tokens
**Posted:** 2026-06-05

> Founding design engineer who will establish the product’s visual language and ship production UI end to end. Requires 3+ years of product design experience, Figma fluency, and strong TypeScript/frontend engineering skills.

## Job Description

## Responsibilities
- Design and build product surfaces end to end, from Figma prototypes to production-ready UI.
- Build and own the in-code design system, including components, tokens, and frontend architecture.
- Use Claude Code and TypeScript to prototype and ship production-ready UI.
- Partner with founders on product direction and contribute design perspective to early strategy.
- Move quickly while maintaining a high quality standard.

## Requirements
- 3+ years of product design experience.
- Fluency with Figma, including components, variables, auto-layout, and prototyping.
- Working proficiency in TypeScript and modern frontend frameworks.
- Strong programming skills and UI/UX design experience.
- BS/MS degree in Computer Science, or equivalent hands-on experience.
- Based in San Francisco or able to work there full-time.

## Compensation & Benefits
- Salary: $120,000–$160,000 per year.
- Flexible healthcare spending.
- Daily lunch, coffee, tea, and snacks.
- Paid time off.
- Company events.

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