Senior Product Designer

About the role

At Klaviyo, we’re building the platform that helps businesses create and deliver personalized customer experiences at scale, powered by first-party data. We’re looking for product designers to help shape that future. This role focuses on simplifying complex systems, improving usability, and designing experiences that help customers move faster and make better decisions. Designers at Klaviyo actively use AI throughout their process, from exploring ideas and generating prototypes to refining and shipping high-quality experiences. You’ll partner closely with product and engineering to define problems, test ideas quickly, and deliver meaningful outcomes. This is a role with a high degree of ownership. We share work early, iterate often, and prioritize speed, learning, and impact.

What you’ll do

• Design end-to-end product experiences across Klaviyo’s platform
• Simplify complex workflows into intuitive, scalable solutions
• Design AI-assisted experiences that help users create, decide, and act more effectively
• Rapidly prototype and iterate using AI tools alongside traditional design workflows
• Raise the quality of frontend experiences by proactively identifying UX issues and driving them through to ensure they are fixed in the product
• Contribute to shared systems, patterns, and foundations across the product
• Use customer insights and research to validate ideas and guide decisions

What you’ll need

• Strong systems thinking and ability to design across complex, end-to-end experiences
• High-quality UX and interaction design craft, with the ability to simplify complexity

Experience working in fast-moving, ambiguous environments