Senior Software Engineer - Channel Processing

Klaviyo(13 hours ago)

HybridFull TimeSenior$148,000 - $222,000Engineering

About this role

Klaviyo is seeking experienced engineers to join the Channel Processing team, responsible for building and operating large-scale distributed systems that process high-volume messaging campaigns. The role involves developing scalable features, collaborating across teams, and contributing to the evolution of the company's messaging platform. The company values innovation, teamwork, and continuous growth.

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Required Skills

Python
Django
React
MySQL
Redis
AWS
Terraform
Jenkins
Messaging Systems
Distributed Systems

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.

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