Senior Product Designer

Klaviyo; Boston (MA); On-site; USD 85,000 - 115,000; Full time

Job summary

Klaviyo is seeking an innovative Product Designer in Boston, MA to develop personalized customer experiences. This role involves designing intuitive, AI-assisted product experiences while collaborating with product and engineering teams to iterate rapidly.

The ideal candidate will excel in systems thinking and UX design, have a builder mindset, and be adaptable in fast-paced environments. Join Klaviyo to shape the future of ecommerce and improve user interactions with cutting-edge technology.

Qualifications

• 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 using AI tools in workflow.
• Builder mindset to prototype and iterate quickly.
• Collaborative approach with product and engineering teams.
• Research-driven method to validate ideas and adjust direction quickly.
• Adaptability to evolving product spaces.

Responsibilities

• Design end-to-end product experiences across Klaviyo’s platform.
• Simplify complex workflows into intuitive, scalable solutions.
• Design AI-assisted experiences for better user decisions.
• Rapidly prototype and iterate using AI tools.
• Identify UX issues and ensure they are fixed.
• Contribute to shared systems and patterns.
• Use customer insights to validate ideas.

Skills

Strong systems thinking

High-quality UX and interaction design

Experience in fast-moving environments

AI-first design practice

Builder mindset

Collaborative approach

Research-driven

Adaptability

Tools

Claude

Cursor

Job description

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. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

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