About the job
At Klaviyo, we celebrate the diversity of backgrounds, experiences, and perspectives that each Klaviyo (as we affectionately call ourselves) contributes to our workplace daily. We believe everyone deserves an equitable chance at success and value the unique experiences each individual brings, extending beyond conventional job prerequisites. If you feel you are a close match to the description, we encourage you to apply. Curious about life at Klaviyo? Explore klaviyo.com/careers to discover how we empower creators to shape their own destinies.
At Klaviyo, we envision a future where software transcends mere productivity tools for human users, evolving into self-optimizing systems driven by outcome and reward metrics. Our robust infrastructure and applications act as the vital link between businesses and consumers. With over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer interactions and conversion data, we are poised to innovate with cutting-edge AI and machine learning technologies. Our goal is to develop AI agents capable of autonomously crafting and executing marketing strategies and customer experiences for businesses of all sizes.
As a Senior AI Engineer at Klaviyo, you will be instrumental in designing and constructing scalable backend systems and user experiences that power our AI products and solutions. You will collaborate closely with product managers, machine learning engineers, and data scientists to drive impactful changes at scale. This backend-focused role offers opportunities to influence architecture, asynchronous processing pipelines, distributed systems, and more.
How You Will Make a Difference:
- Architect and develop backend systems that enable the scalability of our AI solutions for over 167,000 customers.
- Create robust, reliable, and scalable data collection and processing pipelines for machine learning model training and utilization.
- Build dependable services to deploy AI models in production environments.
- Contribute to the evolution of our agentic architecture — enhancing the autonomy and performance of our AI agents.
- Foster a culture of ownership, experimentation, and customer-centric product innovation.

