Lead Software Engineer - Billing
KlaviyoBoston, Massachusetts, United States
Posted October 22, 2025
188000 - 282000 USD year
Full Time
About the Company
Klaviyo is a CRM platform specialized for B2C brands, offering integrated marketing automation, analytics, and customer service. Its built-in data platform and AI insights enable businesses to deliver personalized 1:1 experiences at scale, enhancing efficiency and driving revenue. Distinctive in its unified solution, Klaviyo serves over 167,000 brands including Mattel and Glossier.
Job Description
Klaviyo is seeking a Lead Software Engineer to build their internal pricing and billing platform. This hands-on leadership role focuses on designing, building, and scaling systems to support international growth, ensuring accurate billing and a seamless customer experience. The team is responsible for product pricing, packaging, and payment logistics, and impacts both internal and external platform development.
Requirements
- 8+ years of engineering experience with strong backend skills (Python or similar)
- Comfortable coding and reviewing complex systems
- Experience with fullstack development (React familiarity is a plus)
- Proven experience with third-party APIs, especially Stripe or payment systems
- Skilled in system design and scaling infrastructure using AWS
- Clear communicator and collaborative team player
Benefits
- Health, welfare, and wellbeing benefits
