Software Engineer II - Billing

Klaviyo(8 days ago)

RemoteFull TimeSenior$116,000 - $174,000Engineering (Billing & Monetization)

About this role

A Senior Software Engineer on Klaviyo’s Billing & Monetization team focused on the systems that power subscriptions, payments, usage tracking, and pricing for Klaviyo’s customers. The role supports Klaviyo’s growth across domestic and international markets and works closely with cross-functional stakeholders to enable monetization and product packaging decisions.

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Required Skills

Python
Django
React
Typescript
Kafka
Celery
MySQL
Redis
AWS
Kubernetes

+7 more

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.