Destava

Principal Software Engineer

Klaviyo is hiring for Principal Software Engineer in Boston, MA. Staff level. First seen October 8, 2026; open as of November 13, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
Klaviyo
Where
Boston, MA
Level
Staff
First seen
October 8, 2026
Listed via
Greenhouse

What the posting says

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: establishing SLOs, driving technical evolution, and acting as the interface across teams. What You'll Do Design and implement core data platform capabilities (e.g., event ingestion/CDC, stream processing, batch orchestration, data lake/warehouse…

Read more and apply on Klaviyo's site

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