Senior Software Engineer - Channel Processing

Klaviyo(4 days ago)

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

About this role

Klaviyo is seeking experienced software engineers for the Channel Processing team, responsible for designing and operating large-scale, highly available distributed systems to handle messaging campaigns. The team focuses on scaling current systems and building future extensible platforms to support their rapid growth and diverse messaging channels.

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Required Skills

Python
Django
React
MySQL
Redis
Memcached
Apache Zookeeper
Apache Pulsar
AWS
Terraform

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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