Klaviyo needs to build internal platforms that empower teams to self-serve product packaging, entitlements, and billing logic, and to build scalable infrastructure that supports international growth and new product offerings.
Requirements
- 8+ years of engineering experience with strong backend skills (Python or similar)
- Comfortable coding and reviewing complex systems — this is a hands-on role
- 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
- Experience building developer platforms or internal tooling is a strong plus
- You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast.
Responsibilities
- Lead a team of engineers building a new internal pricing and billing platform
- Own Klaviyo’s 3rd party payment and billing integrations and expand payment capabilities
- Build scalable systems to support international markets and payment flexibility
- Contribute directly to architecture and code, driving best practices and quality
- Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up.
- Collaborate with cross-functional teams to unlock product revenue opportunities
- Grow and mentor engineers while helping shape the future of billing at Klaviyo
Other
- Clear communicator and collaborative team player
- hybrid role based in Boston, with 3 days in office and 2 days remote per week.
- AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop).
- By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process.
- Klaviyo is committed to a policy of equal opportunity and non-discrimination.
