Klaviyo
PIPELINE - L5 Principal Software Engineer
Boston, MA · Principal
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~30% per draw at Level II). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
The bottom of this range ($97,000) is below the Level I prevailing wage of $114,275. An H-1B cannot be filed below the prevailing wage, so an offer at the floor of this band could not be sponsored as posted.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Boston-Cambridge-Newton, MA-NH. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
Employer immigration record
from this employer's Department of Labor filings
Green-card filing pattern in this occupation
Green-card follow-through: 79%
Files H-1B transfers
Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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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.
Responsibilities
- 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.
- Expectations align to Lead/Principal IC behaviors:
- Regional isolation/replication strategies, privacy‑by‑design, and data governance in regulated contexts.
Requirements
- Technical expertise: Data ingestion/CDC, stream processing, batch orchestration, lakehouse patterns, catalog/lineage, governance, and access controls, measured by freshness, availability, and correctness SLOs.
Compensation
- Our salary range reflects the cost of labor across various U.S. geographic markets.
Benefits
- author/run readiness reviews, incident response, and post‑incident learning for your domain.
Company info
- 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.
Visa & Work Authorization
- 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.