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Senior Software Engineer - Flows AI at Klaviyo - ApplyBlast

Senior Software Engineer - Flows AI

Klaviyo

3 months ago

3.3 on Glassdoor

Boston, MA

Onsite

Full Time

Senior

2 applicants

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About this role

A Senior Software Engineer at Klaviyo's Flows AI team will build backend systems and full-stack experiences for AI-driven marketing automation. The role involves designing scalable distributed systems, developing async processing pipelines, and partnering with product and data teams to create intelligent customer journey capabilities.

Responsibilities

Drive technical design and implementation of customer-facing AI capabilities
Build reliable scalable full-stack systems including async processing pipelines
Own projects end to end from requirements to production deployment
Partner with product and engineering teams to deliver measurable customer value
Raise the bar for engineering quality and technical strategy

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.