Klaviyo

Senior Lead Software Engineer - Data Platform

Klaviyo
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3 months ago
Boston, MA, USAStaff+
H1B sponsor

Base Salary

$216k - $324k/yr

Responsibilities

  • Own and drive high-impact technical objectives spanning multiple Data Platform teams, especially Data Lake.
  • Align technical roadmaps, priorities, dependencies, and long-term platform direction across teams.
  • Lead complex cross-team initiatives from discovery through rollout and long-term ownership.
  • Make architectural decisions across lakehouse storage and compute, orchestration, modeled data layers, and operational automation.
  • Establish reusable paved paths, standards, and abstractions that improve data-system onboarding and operations.
  • Partner with engineering, product, analytics, AI/ML, and governance stakeholders.
  • Maintain accountability for reliability, scalability, performance, cost, security, and operational excellence.
  • Respond to complex platform issues and convert incident learnings into lasting improvements.
  • Mentor senior and lead engineers through design reviews, RFC feedback, and architectural coaching.
  • Participate in senior engineering hiring.

Requirements

  • 12+ years of software engineering experience.
  • Deep knowledge of distributed systems, data platform architecture, and large-scale analytical processing.
  • Expertise in one or more areas including lakehouse architecture, data ingestion and transformation, distributed compute, data warehousing, platform reliability, or developer-facing data infrastructure.
  • Experience leading large, ambiguous, multi-quarter programs and making architectural decisions across teams.
  • Hands-on experience with Iceberg-based storage, Spark or EMR-based compute, Airflow orchestration, Python data platform tooling, modeled data systems, and AWS-hosted infrastructure.
  • Understanding of schema evolution, materialization patterns, observability, backfills, repairs, audits, access controls, and cost-aware platform operations.
  • Ability to drive outcomes through influence and technical leadership and communicate with technical and non-technical stakeholders.
  • Experience mentoring engineers and developing patterns, guidance, and growth opportunities for senior engineers and leads.
  • Preferred experience with custom-built databases, CDM-style modeled data layers, Materialized Views, data governance, GDPR or HIPAA programs, and automation for backfills, repairs, optimization, autoscaling, or agentic engineering support.

Benefits

  • Up to 10% travel may be required for onboarding, client or partner work, team meetings, and industry events, with travel coordinated in advance.
  • Eligible total compensation may include annual cash bonus, equity, sign-on payments, and health, welfare, and wellbeing benefits.

Tech Stack

Apache AirflowApache SparkAWSPython

Categories

BackendData 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.

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