Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents. Backed by Accel.
About the role
Learn more about the team’s work in our blogs on Ray Jobs & Ray Tune . Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- 7+ years of experience as a software engineer, ML platform engineer, or similar, building backend or distributed systems
- Demonstrated experience designing and launching AI/ML systems in production at scale
- Strong proficiency in Python (or a similar backend language such as Go, Java, or Scala)
- Familiarity with data-intensive systems: streaming or batch processing, data modeling, and designing systems with large-scale data in mind (spark, ray-data)
- Comfortable collaborating with cross-functional technical partners (ML, product, infra, security)
More about this role
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.
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.
As a Senior Machine Learning...
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