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Senior Machine Learning Platform Engineer at Klaviyo - ApplyBlast

Senior Machine Learning Platform Engineer

Klaviyo

4 hours ago

3.3 on Glassdoor

Boston, Massachusetts, United States

Onsite

Full Time

Senior

0 applicants

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About this role

The Senior Machine Learning Platform Engineer at Klaviyo builds and maintains core platforms, tools, and infrastructure to support ML and AI engineers in creating advanced agents and models. This backend-heavy, hands-on technical role focuses on training and deploying models, unifying feature data, and scaling systems to handle Klaviyo's massive data and traffic scale. The position involves driving technical initiatives, mentoring engineers, and collaborating with cross-functional teams to deliver high-leverage platforms that accelerate AI development.

Responsibilities

Build core ML and AI platform infrastructure and tools
Design and deploy production ML systems at scale
Mentor engineers and drive technical excellence across teams

Skills

About Klaviyo

klaviyo.com

Headquarters

Boston, Massachusetts, United States

Company Size

1001-5000 employees

Founded

2012

View Profile

Klaviyo is a B2C CRM and marketing automation platform that unifies AI-powered email and SMS to help ecommerce brands drive growth and retention. It uses customer data, advanced segmentation, and automation flows to deliver personalized, omnichannel experiences across email, SMS, WhatsApp, and more — including AI-driven capabilities via K:AI Agents. Klaviyo emphasizes measurable results with analytics, testing, and integrations with major ecommerce platforms to boost revenue and lifetime value. Companies use it to build targeted lifecycle campaigns, personalized messaging, and data-driven retention strategies at scale.