Klaviyo

Software Engineer II Devx

Klaviyo

2 months ago
Boston, MA
Hybrid
Full Time
Medior
0 applicants
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Klaviyo
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About this role

An engineer on Klaviyo’s DevX team supporting external developers and partners by enabling applications built on Klaviyo’s Public APIs and developer-facing tools. The role sits within a product–platform team focused on the app marketplace, developer docs/SDKs/CLIs, and API analytics, contributing to Klaviyo’s real-time data platform. Klaviyo is a fast-growing company that builds on AWS and Python at massive scale and emphasizes collaboration and technical ownership.

Skills

Klaviyo

About Klaviyo

klaviyo.com

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.

About Klaviyo

Headquarters

San Francisco, CA

Company Size

201-500 employees

Founded

2018

Industry

Technology

Glassdoor Rating

4.2 / 5

Leadership Team

Sarah Johnson

Chief Executive Officer

Michael Chen

Chief Technology Officer

Emily Williams

VP of Engineering

David Rodriguez

VP of Product

Jessica Thompson

Chief Financial Officer

Andrew Park

VP of Sales

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