Klaviyo

Lead People Systems Engineer

Klaviyo
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2 months ago

Base Salary

$140k - $210k/yr

Responsibilities

  • Reimagine recruiting, onboarding, performance, and daily People workflows through an AI-first approach.
  • Design and build AI-powered workflows, copilots, agents, and assistants across the employee lifecycle.
  • Architect integrations across Workday, Greenhouse, Sana, and internal Klaviyo platforms.
  • Establish practices for prompt engineering, evaluation, LLM system design, orchestration, versioning, testing, security, and observability.
  • Identify high-leverage AI opportunities, define success metrics, and advise People leadership on AI-enabled operating models.
  • Design secure, private, trustworthy, compliant, and ethical systems for sensitive employee data.
  • Align with Security, IT, GTM Systems, Legal, and the internal IT AI team on shared infrastructure and standards.
  • Build reusable frameworks, workflows, playbooks, and training materials that help People teams use AI-powered tools.
  • Advocate for scalable, well-governed AI systems and shape Klaviyo’s internal AI-first strategy.

Requirements

  • At least 5 years of engineering or data engineering experience, including at least 2 years building AI/ML or LLM-powered systems with tangible business outcomes.
  • Proven ability to set technical direction and build 0-to-1 systems with meaningful organizational impact.
  • Strong experience with Python, SQL, modern APIs, LLM platforms, LangChain, LangGraph, and AI-powered workflows, agents, or copilots.
  • Experience integrating enterprise SaaS systems such as HRIS and ATS platforms.
  • Experience designing scalable systems, automation frameworks, and internal tools.
  • Experience handling sensitive data and implementing responsible AI practices.
  • Ability to translate ambiguous business problems into scalable technical solutions.
  • Passion and curiosity for experimenting with and reimagining People workflows.
  • Bonus: experience with Workday, Greenhouse, or Sana; workflow automation platforms such as n8n, Workato, or Zapier; high-growth SaaS environments; AI governance, internal AI platforms, or experimentation frameworks.

Benefits

  • Generous health, welfare, and wellbeing benefits based on eligibility.
  • The role may require up to 10% travel, coordinated in advance.
  • The position is available across U.S. geographic markets.

Tech Stack

Categories

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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