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Senior Platform Engineer at Klaviyo - ApplyBlast

Senior Platform Engineer

Klaviyo

2 months ago

3.3 on Glassdoor

Boston, Massachusetts, United States

Onsite

Full Time

Senior

0 applicants

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About this role

The Senior Platform Engineer on the Asynchronous Processing team will design, build, and operate Klaviyo’s high‑scale, event‑driven backbone, creating resilient, multi‑tenant queueing and processing platforms using technologies such as Golang, Python, Apache Pulsar, Kafka, SQS, AWS, and Kubernetes. The role focuses on improving availability, scalability, latency, and efficiency of asynchronous services while partnering with product teams across the company.

Responsibilities

Design and build large‑scale event‑driven platforms
Own operational health and on‑call for asynchronous services
Mentor engineers and drive technical best practices

Skills

Qualifications

BS in Computer ScienceBA in Computer Science

About Klaviyo

klaviyo.com

Headquarters

Boston, Massachusetts, United States

Company Size

1001-5000 employees

Founded

2012

View Profile

Klaviyo is a B2C CRM and marketing automation platform that unifies AI-powered email and SMS to help ecommerce brands drive growth and retention. It uses customer data, advanced segmentation, and automation flows to deliver personalized, omnichannel experiences across email, SMS, WhatsApp, and more — including AI-driven capabilities via K:AI Agents. Klaviyo emphasizes measurable results with analytics, testing, and integrations with major ecommerce platforms to boost revenue and lifetime value. Companies use it to build targeted lifecycle campaigns, personalized messaging, and data-driven retention strategies at scale.