Senior Product Designer - Real-Time AI Voice Platform

Stealth Startup; San Francisco (CA); On-site; USD 180,000 - 230,000; Full time

Benefits offered by this job

100% coverage for medical, dental, and

DoorDash credits

Wellness reimbursement

Phone bill reimbursement

Job summary

Stealth Startup in Redwood City, CA, is seeking a Product Designer to own end-to-end product design across core user workflows. You’ll work directly with founders, engineers, and customers to shape features from first principles, not just polish UI after decisions are made.

This high-ownership role offers influence over product direction, UX quality, and design standards, with strong collaboration across a small team building real-time AI voice agents used by fast‑growing companies.

Qualifications

• 5+ years of experience as a Product Designer on shipped products.
• Strong user-centered design background (HCI, design, or equivalent).
• Excellent product taste with a strong sense of usability, hierarchy, and visual clarity.
• Detail-oriented with a passion for polish and consistency.

Responsibilities

• Own the product experience end-to-end from concepts to shipped features used in real-time scenarios.
• Shape how users interact with AI voice agents to create clear, intuitive experiences.
• Collaborate with engineers and founders to define, refine, and ship features with preserved design intent.
• Be the voice of the user by interviewing customers and translating feedback into design solutions.

Skills

Product design

User-centered design

Visual design

Design systems

Job description

Stealth Startup in Redwood City, CA, is seeking a Product Designer to own end-to-end product design across core user workflows. You’ll work directly with founders, engineers, and customers to shape features from first principles, not just polish UI after decisions are made.

This high-ownership role offers influence over product direction, UX quality, and design standards, with strong collaboration across a small team building real-time AI voice agents used by fast‑growing companies.