Klaviyo

PIPELINE - L5 Principal Software Engineer

Klaviyo
Apply
15 hours ago
Boston, MA, USAStaff+
H1B sponsor

Base Salary

$244k - $366k/yr

Responsibilities

  • Design and implement data platform capabilities for event ingestion and CDC, stream processing, batch orchestration, lakehouse and warehouse patterns, catalog and lineage, governance, access, and compliance.
  • Define and uphold data freshness, availability, and correctness SLOs and lead readiness reviews, incident response, and post-incident learning.
  • Author ADRs and RFCs, establish data contracts and schema governance, and standardize connectors and templates for data producers and consumers.
  • Profile, tune, and right-size systems for performance and cost while partnering with FinOps on unit-economics guardrails.
  • Partner with product, analytics, and ML teams to expose useful data abstractions and accelerate customer value.
  • Write and review high-quality code and mentor Staff and Senior engineers through design documents, pairing, and enablement rather than line management.
  • Apply AI and automation to data workflows including pipeline authoring and testing, catalog and search, documentation, and data-quality operations.

Requirements

  • 10+ years of experience building and operating distributed data systems with multi-tenant reliability.
  • Expertise in data ingestion and CDC, stream processing, batch orchestration, lakehouse patterns, catalog and lineage, governance, access controls, and SLO-driven operations.
  • Experience with technologies such as Kafka, Pub/Sub, Flink, Spark, Beam, Airflow, Dagster, Iceberg, Delta, Hudi, Snowflake, BigQuery, and object storage.
  • Experience applying ML or generative AI to data platforms, including semantic catalog search, automated documentation, data-quality anomaly detection, and SQL or pipeline generation with privacy controls and human review.
  • Ability to establish data contracts, connectors, and reusable templates and to influence and mentor engineers across teams.
  • Preferred experience with regional isolation and replication, privacy-by-design, and data governance in regulated contexts.
  • Preferred experience adopting standardized ingestion, processing, and storage paths, achieving strong freshness SLOs, reducing cost per terabyte, and using AI-augmented data operations.

Benefits

  • Base compensation is listed separately in the posting, with potential annual cash bonus, equity, sign-on payments, and health, welfare, and wellbeing benefits based on eligibility.
  • The role may require up to 10% travel for onboarding, client or partner work, team meetings, and industry events, coordinated in advance.
  • Klaviyo provides workplace accommodations as needed.

Tech Stack

Apache AirflowApache BeamApache FlinkApache KafkaApache SparkGoogle BigQuerySnowflakeSQL

Categories

Data Engineering
Klaviyo

About Klaviyo

1,001-5,000 employees

Klaviyo builds a subscription SaaS platform that lets e-commerce and consumer brands use first-party data to run targeted email, SMS, and push campaigns, with built-in automation and analytics. The product also includes B2C CRM features for segmentation, A/B testing, and customer lifecycle workflows. Founded in 2012 and headquartered in Boston, it is a public company (NYSE: KVYO) used by brands such as Mattel and Glossier.

Contact me