Senior Product Designer, Growth

About the role

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers.

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
• AI-first design practice. Actively uses tools like Claude, Cursor, v0, or similar as part of day-to-day workflows. Comfortable using AI to explore ideas, generate code, and accelerate prototyping
• Builder mindset. Able to move quickly from concept to prototype to iteration, shaping both structure and UX quality
• Collaborative approach. Works closely with product and engineering from problem definition through launch, and contributes to shared thinking across teams
• Research-driven. Uses customer conversations and testing to validate ideas and adjust direction quickly
• Adaptability. Comfortable navigating evolving product spaces and shifting priorities

Nice to have

• Experience with complex or data-rich products
• Familiarity with marketing, messaging, or growth platforms