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Senior SWE at Klaviyo - ApplyBlast

Senior SWE

Klaviyo

2 days ago

3.3 on Glassdoor

Boston, Massachusetts, United States

Onsite

Full Time

Senior

0 applicants

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About this role

The Senior SWE joins the Data Automation team to design, build, and maintain mission-critical analytics infrastructure for Klaviyo's real-time data platform. This role involves collaborating with cross-functional teams to create system infrastructure, write high-quality code, and operate large-scale systems in production. The engineer will also review designs, provide technical mentorship, and solve complex technical challenges to support core Klaviyo functionality.

Responsibilities

Design and build mission critical analytics infrastructure
Provision and operate large scale distributed systems
Review code and provide technical mentorship to engineers

Skills

Qualifications

BA or BS Degree in Computer Science, related field, or equivalent experience

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.