Software Engineer II - Events

Klaviyo(12 days ago)

HybridFull TimeMedior$116,000 - $174,000Engineering

About this role

A Software Engineer II — Events at Klaviyo will join the Events team working on Klaviyo’s real-time data platform that underpins segmentation, analytics, and AI-driven features. The role is based in Boston and follows a hybrid schedule requiring onsite presence three days per week. It targets mid-level engineers with several years of professional software engineering experience.

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Required Skills

Distributed Systems
Event Ingestion
Real-Time Processing
Python
Debugging
Databases
Observability
Performance
Scalability
AWS

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.