Justworks

Senior AI Engineer, People

Justworks
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3 days ago

Base Salary

$166k - $214k/yr

Responsibilities

  • Drive the People team’s AI transformation roadmap by architecting, building, and maintaining intelligent operational workflow solutions.
  • Build agentic workflows, RAG pipelines, and system integrations that mature from human-AI handoffs to AI-driven systems.
  • Create reproducible blueprints, demos, guides, and documentation that transfer AI expertise to the People team.
  • Understand Snowflake data models and the Workday-to-Snowflake pipeline to ensure AI tools reliably handle data limitations and inconsistencies.
  • Design evaluation frameworks covering accuracy, latency, hallucination rates, retrieval precision, and user satisfaction.
  • Implement privacy protections, role-based access, audit trails, and other controls for highly sensitive People data.
  • Partner with People strategy, data governance, engineering, and data teams to scope work and maintain enterprise-grade systems.
  • Identify AI risks, limitations, failure modes, fairness concerns, and auditability requirements before deployment.
  • Evaluate emerging models, frameworks, and tooling and advise when to adopt them.

Requirements

  • 6+ years of professional, hands-on builder or software engineering experience.
  • 2+ years of hands-on experience building production LLM and AI tooling, including agent frameworks, pipelines, retrieval systems, or AI-integrated workflows used by real users.
  • Familiarity with LLM observability tools such as LangSmith, Datadog LLM monitoring, or an equivalent.
  • Systems-level understanding of data retrieval, vector embeddings, and combining structured data with unstructured text for intelligent internal tools.
  • Strong knowledge of data privacy standards and experience implementing audit trails, role-based permissions, and access controls for confidential datasets.
  • Familiarity with Workday or Greenhouse is a plus but not required.
  • Strong communication skills for presenting technical options, trade-offs, and progress to nontechnical stakeholders.
  • Ability to work independently in ambiguous, greenfield environments and drive projects from scope definition through production.
  • Experience building clean, tested, maintainable production code and making sound architectural decisions.

Benefits

  • Great benefits and wellness program offerings.
  • Company retreats and opportunities to interact with and learn from startup-community leaders.
  • Position is based in Justworks’ New York City office; salary ranges may differ by location.
  • Equal opportunity employer with reasonable accommodations for disabilities, religious beliefs, and other covered reasons.

Tech Stack

DatadogSnowflake

Categories

Justworks

About Justworks

1,001-5,000 employees

Justworks provides a PEO and SaaS platform for small and midsize businesses to run payroll, offer benefits, and manage HR and compliance. Products include access to health insurance and 401(k), payroll and contractor payments, onboarding tools, and reporting, sold via subscriptions and PEO service fees. Founded in 2012 and headquartered in New York City, the company is privately held and serves employers across the United States.

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