Product Designer – AI Agent Platform

About the role

Sierra is building the next generation of customer‑facing AI agents. As a Product Designer you will shape the experience for end‑users, CX managers and developers, taking concepts from idea through launch and iteration.

Key responsibilities

• Solve for multiple stakeholder groups – customers, CX managers and developers – by understanding their unique needs.
• Innovate on AI‑driven conversational interfaces and discover new design tools and processes.
• Own the end‑to‑end design process, from concept and prototyping to launch and continuous improvement.
• Collaborate closely with engineering, product, and leadership to deliver a seamless experience.
• Gather and act on customer feedback and usability testing insights.
• Develop and maintain a scalable design system for consistency across products.

Required profile

• Extensive UI/UX experience leading design projects from ideation to launch.
• Strong curiosity about user needs and ability to solve problems from first principles.
• Full‑stack design capability – visual design, interaction design, and product direction.
• Excellent collaboration and communication skills with cross‑functional teams.
• Proven research skills: gathering feedback, usability testing, and translating findings.
• Adaptability to a fast‑paced startup environment and ability to handle ambiguity.

Required skills

• Figma
• Photoshop
• Illustrator
• Principal
• Typescript
• React

What we offer

• Unlimited paid time off
• Medical, dental and vision benefits for you and your family
• Life insurance, disability coverage and retirement plan
• Parental leave and fertility/family‑building benefits
• Free lunch, snacks and coffee
• Discretionary benefit stipend
• Free alphorn lessons