Senior Platform Engineer - Async Processing at Scale Equity

Klaviyo in Boston, MA is seeking a Senior Platform Engineer for the Asynchronous Processing team to architect, build, and operate our high‑scale, event‑driven backbone that powers product workloads. You’ll craft multi‑tenant queueing primitives using Golang, Python, Pulsar, Kafka, SQS, AWS and Kubernetes, delivering low latency, high availability and observable systems at scale.

This role emphasizes ownership, collaboration, on‑call readiness and mentoring engineers to improve tooling,