Product Designer

About the Position

Product Designer

• Salary: $140k – $180k
• Location: San Francisco, California, United States
• Experience: 3 years
• Employment Type: Full Time

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About the Company

Stell

Stell builds requirements management software for aerospace and defense programs. Engineers use it to write specifications, link every requirement down to the test evidence that proves it, and produce an audit-ready compliance matrix without weeks of manual prep.

Stell is deployed on U.S. Space Force and Air Force programs and used by commercial aerospace and defense contractors.

Our AI agent, Zelda, derives specs from source documents, finds coverage gaps, and builds compliance matrices. Engineers can also reach it from tools like Claude Code and Cursor through MCP.

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Responsibilities

In the Product Designer role you will:

• Work directly with our CEO and CTO on what to build and why
• Lead features from first concept through shipped product
• Turn PRDs and tickets into Figma prototypes that show engineers the exact interactions and states to build
• Design how engineers work with Zelda, including how they review what it proposes and see where each answer came from
• Make large programs workable. Several customers run more than 10,000 requirements in the platform
• Talk with engineering daily and check that shipped features match the design
• Watch customers use the product and iterate quickly on what you learn

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Requirements

• Have a portfolio that shows strong UX, UI, and interaction design
• Be fluent in Figma
• Have designed B2B software for technical users
• Have worked closely with engineering teams and shipped what you designed
• Change your designs quickly when user feedback tells you to
• Care more about getting features shipped than about perfect handoff files
• Be a US citizen or green card holder

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Nice to Have

• Experience designing AI-assisted or agentic workflows
• Experience with complex workflows for hardware or systems engineers
• Time at an early-stage startup
• Software engineering or front-end experience
• Background in aerospace, defense, manufacturing, or engineering
• Experience designing for regulated or audited environments
• Experience running a project from idea to release and keeping people updated along the way

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We Offer

• Hybrid work with an in-person culture. We expect the team on-site at our San Francisco office 3 days a week
• Work that supports aerospace and U.S. manufacturing. Our users are building rockets, satellites, and drones
• Meaningful equity. You become an owner of the company
• Competitive salary
• Health, dental, and vision coverage

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About the Company

Stell

Actively Hiring

11-50 Employees

San Francisco

11-50

Aerospace

• Top 10% of responders Stell is in the top 10% of companies in terms of response time to applications
• Responds within a week Based on past data, Stell usually responds to incoming applications within a week

Learn more about Stell

Funding

AMOUNT RAISED

$7.1M

FUNDED OVER

2 rounds

Rounds

$4000000

Seed - Feb 2024+1

View Stell's funding history