Senior AI Engineer, HR Tech & Automation

Justworks, Inc.; New York (NY); On-site; USD 166,000 - 214,000; Full time

Job summary

Justworks, Inc. is seeking a Senior AI Engineer, People, to own the development of AI-powered workflows within the People team. You will ship production AI tools, collaborate with data and governance partners, and drive responsible deployment in a fast-paced, entrepreneurial environment.

You’ll build scalable AI systems, implement privacy controls, and help define the integration of AI with HR processes. This role emphasizes practical, customer-focused AI delivery at scale in our New York City

Qualifications

• 6+ years of professional, hands-on builder/software engineering experience.
• 2+ years of hands-on experience building with LLMs and AI tooling in production: agent frameworks, pipelines, retrieval systems, or AI-integrated workflows that real users depend on.
• Familiarity with LLM observability tooling (LangSmith, Datadog LLM monitoring, or equivalent): you instrument what you build and use signal to improve it
• Strong working knowledge of data privacy standards, including experience building audit trails, role-based permissions, and robust access controls for highly confidential datasets.
• Strong communication skills — able to present technical options, trade-offs, and progress to non-technical People and business stakeholders.
• Demonstrated ability to work independently in ambiguous, greenfield environments: defining scope, sequencing work, and driving to production without heavy oversight.

Responsibilities

• Drive the technical execution of the People team's AI transformation roadmap—architecting, building, and maintaining intelligent solutions around prioritized operational workflows.
• Build agentic workflows, RAG pipelines, and system integrations required to scale workflows from ‘Human + AI handoffs’ to ‘AI as a system’ level maturity.
• Scan externally for emerging AI capabilities and market patterns; translate signal into written briefs that inform what the team experiments on next.
• Embed long-term operational success by creating reproducible blueprints, demos, and guides that transfer expertise and cultivate sustainable AI ownership across the People team.
• Partner with the People Analyst and Senior Manager of Data Management & Governance to understand the Snowflake data model and ensure AI tooling consumes trusted data.
• Design evaluation frameworks to measure AI tools’ accuracy, latency, and real-world utility; implement data privacy and access controls.

Skills

years of software engineering

LLMs & AI tooling in production

LLM observability tooling

data privacy and audit trails

communication to non-technical stakeh"

independence in ambiguous environments

Tools

LangSmith

Datadog LLM monitoring

Workday

Greenhouse

Job description

Justworks, Inc. is seeking a Senior AI Engineer, People, to own the development of AI-powered workflows within the People team. You will ship production AI tools, collaborate with data and governance partners, and drive responsible deployment in a fast-paced, entrepreneurial environment.

You’ll build scalable AI systems, implement privacy controls, and help define the integration of AI with HR processes. This role emphasizes practical, customer-focused AI delivery at scale in our New York City