Klaviyo

Klaviyo

Senior Lead Software Engineer - Data Platform

Boston, MA · Senior

Sponsorship not specified$216k-$324kDetected 16 hours ago
PythonDistributed SystemsAWSMachine LearningSparkAirflowComplianceOnboardingCustomer SuccessEHR/EMRLeadershipMentoring

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 role requires strong judgment in connecting work across teams rather than optimizing only within a single technical boundary.

Responsibilities

  • As a Senior Lead Software Engineer in Data Platform, with primary focus on Data Lake, you will:
  • Independently own and drive high-impact technical objectives that span multiple Data Platform teams, especially Data Lake while supporting work that intersects with Data Automation and Data Warehouse.
  • Lead large, complex, cross-team initiatives from discovery through rollout and long-term ownership, especially where success depends on coordination across organizational and technical boundaries.
  • Make high-judgment architectural decisions across core platform systems including lakehouse storage and compute, orchestration, modeled data layers, and operational automation, and create reference patterns that other teams can reuse.
  • Partner closely with engineering, product, analytics, AI/ML, and governance stakeholders, and represent Data Platform clearly in cross-functional discussions that require both technical depth and strong external communication.
  • Help drive alignment on complex projects by clarifying trade-offs, surfacing dependencies early, and ensuring teams stay coordinated as priorities or execution details shift.
  • Own the response to complex platform issues when needed, working directly with engineers across teams during high-severity situations and turning lessons learned into lasting improvements in architecture, operations, and communication.
  • Invest in the growth of senior and lead engineers through design reviews, RFC feedback, architectural coaching, and active participation in senior engineering hiring.
  • Visit klaviyo.com/careers to see how we empower creators to own their own destiny.
  • Senior Lead Software Engineer - Data Platform

Requirements

  • You have 12+ years of software engineering experience and deep knowledge of distributed systems, data platform architecture, and large-scale analytical processing.
  • You enjoy improving how systems and teams work, whether through better architecture, tooling, workflows, or operating practices.

Nice to have

  • Experience with custom built databases and CDM-style modeled data layers, especially transforming landing data into durable, queryable business entities.
  • Experience with data governance, ownership, discoverability, residency, or regulated-data programs such as GDPR or HIPAA.
  • Technologies We Use
  • Core technologies and platform components used by the Data Lake team include:
  • Iceberg S3 tables for the foundational storage layer.
  • Spark / EMR for large-scale analytical compute.
  • Airflow for orchestration, scheduling, and workflow tracking.
  • Materialized Views and Python-based platform frameworks for managed Iceberg tables and related data tooling.

Compensation

  • $216,000 - $324,000 USD

Benefits

  • Be accountable, with team and engineering leaders, for the long-term technical health of the systems in your scope across reliability, scalability, performance, cost, security, and operational excellence.

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.
  • This Senior Lead role is anchored in the Data Lake domain, while working broadly across Data Platform to support and align with adjacent teams.
  • The scope is not just to improve one system in isolation, but to make the broader data platform more trustworthy, scalable, and easier to operate.

Equal opportunity

  • Klaviyo is committed to a policy of equal opportunity and non-discrimination.

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
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This listing is sourced directly from Klaviyo's careers page and normalized into a canonical job model.