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Sr. Lead Software Engineer at Klaviyo - ApplyBlast

Sr. Lead Software Engineer

Klaviyo

4 days ago

3.3 on Glassdoor

Boston, Massachusetts, United States

Onsite

Full Time

Senior

0 applicants

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About this role

The Sr. Lead Software Engineer at Klaviyo architects and scales the Core Orchestration platform to support high-traffic, low-latency services with extreme reliability. This role drives the technical vision for integrating AI-driven agentic workflows into core customer interactions while leading the adoption of AI-native software development practices. The position involves partnering with cross-functional teams to shape strategic roadmaps and champion high technical standards through mentorship and design reviews.

Responsibilities

Architect and scale the Core Orchestration platform for high-traffic services
Drive technical vision for integrating AI-driven agentic workflows into customer interactions
Lead adoption of AI-native software development practices to improve engineering productivity

Skills

About Klaviyo

klaviyo.com

Headquarters

Boston, Massachusetts, United States

Company Size

1001-5000 employees

Founded

2012

View Profile

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.