Senior Software Engineer

Klaviyo · Boston

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Company: Klaviyo
Location: Boston
Salary: $148,000 — $222,000
Posted: September 1, 2026

About this job

Senior Software Engineer - Customer Hub About the Role Our team is looking for a Senior Full Stack Engineer to lead key initiatives that will enhance our product offerings and support our company’s growth. In this role, you'll play a crucial part in shaping outcomes by developing innovative end-to-end solutions using both front-end and back-end technologies. You’ll optimize existing products and create new solutions that redefine what’s possible for our customers. As a Senior Engineer, you’ll tackle complex challenges, develop multiple solutions, and evaluate business and technical trade-offs to determine the best path forward. You’ll also act as a leader and mentor, and drive key technology decisions.…

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