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Founding Designer ($200K – $250K + Equity) at Quest AI

Jack & Jill/External ATS, San Francisco, CA, United States


Job Title

Founding Designer

Salary

$200K – $250K + Equity

Company

Quest AI – VC‑backed startup building a personalized AI mentor

Location

San Francisco, USA

Job Description

Join Quest AI as our Founding Designer to shape a revolutionary AI mentor that builds deep psychological profiles to drive user growth. You will lead the creation of a first‑of‑its‑kind "morphing UI" that adapts to individual user psychology, defining the visual identity, motion, and product experience for a $6M pre‑seed company from the ground up.

Why this role is remarkable

Co‑invent a category‑defining product alongside repeat founders who previously sold their AI startup to Google.

Tackle the unique challenge of designing a morphing UI that reshapes itself based on user behavior with no existing templates to follow.

High‑impact founding role as employee #4 or #5 with generous equity and direct influence on the company’s long‑term design culture.

What you will do

Lead end‑to‑end product design including UX, adaptive UI systems, micro‑interactions, and visual brand identity.

Collaborate closely with world‑class engineers to bridge the gap between ambitious design visions and technical execution.

Define the motion and feel of the platform to ensure the AI mentor feels alive and responsive to user needs.

The ideal candidate

Proven track record of shipping multiple high‑quality consumer products (iOS or web) with exceptional visual craft and product instinct.

Highly proactive "founding" mindset, capable of iterating rapidly and bringing strong opinions on visual direction without needing a brief.

Native mobile design experience and a genuine curiosity for how AI can transform personalized user interfaces.

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