Sim
Founding Design Engineer
$190K–$250K
San Francisco · On-site · Full-time · Posted Jun 2, 2026
- Experience
- New graduates are welcome; projects, internships, and independent work count.
- Visa sponsorship
- Sim sponsors visas.
About the job
Design and build Sim’s user interfaces, taking them from early exploration through production to make complex AI agent workflows intuitive.
What you'll do
- Define interaction models, build prototypes, and ship performant, accessible interface code.
- Work across component architecture, application state, motion, and layout.
- Use user feedback to shape product design and implementation.
What they ask for
- Strong engineering fundamentals and visual and interaction design taste, with examples of interfaces designed and shipped in code.
- Comfort with React, TypeScript, component architecture, and application state.
- Ability to make thoughtful tradeoffs across usability, accessibility, and performance.
Pay
$190K–$250K USD base salary
Tools
React, TypeScript
AI focus
The role builds interfaces for AI agent workflows.
Model-written summary · the original posting is authoritative