Senior Software Engineer - Flows Platform
Klaviyo(11 days ago)
About this role
A Senior Software Engineer on Klaviyo’s Flows Platform will design and operate the core automation engine that powers automated lifecycle programs. The role focuses on building high-scale backend systems that process billions of events and ensure reliable, timely message delivery for customers. You will contribute to technical decisions and deliver well-tested, performant solutions to support large-scale orchestration and scheduling.
Required Skills
- Python
- Django
- Backend Systems
- Distributed Systems
- Celery
- RabbitMQ
- Pulsar
- MySQL
- Aurora
- Redis
+8 more
About Klaviyo
klaviyo.comKlaviyo 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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