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
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
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