Klaviyo

Principal Engineer, Data Infrastructure

Boston, MA · Principal

Sponsorship not specified$25k-$40kDetected 29 days ago

SQLBigQuerySnowflakeKafkaMachine LearningSparkAirflowAgentic AIIncident ResponseOnboardingCustomer Success

About the role

If you're a close but not exact match with the description, we hope you'll still consider applying.
Want to learn more about life at Klaviyo?
The footprint grows on two axes at once, ever‑larger data volumes and a steady stream of new data scenarios (new sources, domains, and consumption patterns) and your systems have to scale on both.

Design and implement core data platform capabilities (e.g., event ingestion/CDC, stream processing, batch orchestration, data lake/warehouse patterns, catalog/lineage, governance, access, and compliance).
partner with FinOps on unit‑economics guardrails.
Profile, tune, and right‑size systems for performance and cost; partner with FinOps on unit‑economics guardrails.
Visit klaviyo.com/careers to see how we empower creators to own their own destiny.
Own the technical direction and delivery for Klaviyo's data platform - streaming, batch compute, storage/lakehouse, and governance - now the foundation for autonomous, agent-driven experiences.
You'll design and ship systems that are fast, reliable, cost‑efficient, and safe for autonomous access, creating paved roads for data producers and consumers, human and agent alike.
This is an individual‑contributor role (no direct reports); you lead through architecture, code, and influence.
You land data contracts, connectors, and templates that speed delivery for producers and consumers; you mentor via design docs and pairing.
Regional isolation/replication strategies, privacy‑by‑design, and data governance in regulated contexts.

Technical expertise: Data ingestion/CDC, stream processing, batch orchestration, lakehouse patterns, catalog/lineage, governance, and access controls, measured by freshness, availability, and correctness SLOs.

This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events.
Travel is coordinated in advance.
We're Klaviyo (pronounced clay-vee-oh).
We empower creators to own their destiny by making first-party data accessible and actionable like never before.
We see limitless potential for the technology we're developing to nurture personalized experiences in ecommerce and beyond.
To reach our goals, we need our own crew of remarkable creators-ambitious and collaborative teammates who stay focused on our north star: delighting our customers.
Our salary range reflects the cost of labor across various U.S. geographic markets.

author/run readiness reviews, incident response, and post‑incident learning for your domain.
If you're ready to do the best work of your career, where you'll be welcomed as your whole self from day one and supported with generous benefits, we hope you'll join us.
The base salary offered for this position is determined by several factors, including the applicant's job-related skills, relevant experience, education or training, and work location.

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day.
Klaviyo's data platform processes billions of events daily across billions of consumer profiles for hundreds of thousands of brands, and increasingly that data is consumed not just by people but by a growing number of AI agents acting on customers' behalf.

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

This listing is sourced directly from Klaviyo's careers page and normalized into a canonical job model.