Klaviyo's Billing Usage Platform team needs to ensure customers are billed transparently and accurately based on product usage, requiring systems that can track millions of real-time events and provide billing clarity for various customer segments, ultimately supporting business growth through seamless and scalable experiences.
Requirements
- Experienced backend engineer with deep expertise in Python and Django—or a fast, adaptable learner who thrives in any stack with the right tools.
- Familiar with frontend development using React and TypeScript (a plus, not required)
- Skilled in working with cloud technologies, particularly AWS
- Experienced in event-driven architecture using tools like Kafka, SQS, or PubSub
- Track record of building and maintaining reliable, large-scale production systems
- Comfortable contributing to platform-level development with customer-facing impact
Responsibilities
- Drive critical platform improvement projects that enhance performance and scalability
- Optimize real-time pipelines for accurate usage tracking at scale (e.g., campaign volumes)
- Deliver billing transparency improvements—both platform and customer-facing—through incremental value, fast learning, and unlocks that drive clarity, trust, and reduced friction
- Focused on unlocking impact by using the right tools for the job, leaning into AI, and always looking for opportunities to make a meaningful difference
- Own and evolve key components of an event-driven architecture powering high-reliability systems
Other
- Skilled at mentoring teammates and fostering growth across the engineering org
- Comfortable making fast, high-impact decisions and communicating clearly with both the team and stakeholders in dynamic environments
- Klaviyo is committed to a policy of equal opportunity and non-discrimination.
- We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
- Base Pay Range For US Locations: $152,000—$228,000 USD
