Klaviyo

Lead People Systems Engineer

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

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 best practices for prompt engineering, evaluation, LLM system design, orchestration, versioning, testing, security, and observability.
  • Identify high-leverage opportunities to replace manual workflows with AI-native solutions and track efficiency and operational metrics.
  • Partner with Security, Legal, Global IT, the internal IT AI team, and GTM Systems on compliant and ethical AI deployment.
  • Build reusable frameworks, workflows, playbooks, and training materials to enable People teams to use AI-powered tools.
  • Advocate for scalable, well-governed AI systems and advise People leadership on AI-first operating models.

Requirements

  • 7+ years of engineering or data engineering experience, including 2+ years building AI/ML or LLM-powered systems.
  • 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 working with sensitive data and implementing responsible AI practices.
  • Ability to translate ambiguous business problems into scalable technical solutions.
  • Bonus experience with People or HR systems such as Workday, Greenhouse, or Sana.
  • Familiarity with workflow automation platforms such as n8n, Workato, or Zapier.
  • Experience in high-growth SaaS environments or contributions to AI governance, internal AI platforms, or experimentation frameworks is beneficial.

Benefits

  • Up to 10% travel may be required, coordinated in advance.
  • Comprehensive health, welfare, and wellbeing benefits based on eligibility.
  • Potential annual cash bonus, equity, and sign-on payments.
  • The role supports accommodations as needed.

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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