Senior Machine Learning Platform Engineer
Klaviyo · Boston
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- Company
- Klaviyo
- Location
- Boston
- Salary
- $148,000 — $222,000
- Posted
- October 22, 2026
About this job
At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We’ve built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and follow-on conversion data. We are building state-of-the-art AI and machine learning technologies at Klaviyo to power Composer, as well as personalization products such as smart send time, audience optimization and product recommendations.…
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