Senior Product Designer

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. 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 Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process. Base Pay Range For US Locations: $134,400—$201,600 USD This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance. Get to Know Klaviyo 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. AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed. By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice. Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law. IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never a