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WillHire

Principal AI Researcher

WillHire

. Define research direction in Agentic AI and LLMs.

Posted 5/16/2026full-timePleasanton • California, Washington • 🇺🇸 United StatesLead💰 $228,000 - $342,000 per yearWebsite

Tech Stack

Tools & technologies
Open SourcePyTorchTensorflow

About the role

Key responsibilities & impact
  • Define research direction in Agentic AI and LLMs.
  • Advance the state of the art in agentic systems, including retrieval, grounding, memory, context, personalization, etc.
  • Foundational Model Research: Advance Workday’s proprietary capabilities in pre-training, post-training (RLHF, DPO), and domain-specific alignment for HR and Finance workflows.
  • Publish & Open Source: Lead Workday’s contribution to the global AI community through publications at top-tier venues (NeurIPS, ICLR, ICML, ACL, etc.) and strategic open-source releases.
  • Research-to-Production Bridge: Partner with Agent Factory engineering pods to integrate SOTA research into production-ready services that scale to the world's largest organizations.
  • Mentorship & Culture: Act as a force multiplier for the newly formed research team, fostering a culture of scientific rigor, curiosity, and high-velocity experimentation.

Requirements

What you’ll need
  • 8+ years of experience in AI/ML research or applied science, with a proven history of taking products from applied research to global-scale production.
  • Ph.D. or Master’s degree in Computer Science, Artificial Intelligence, Math, Physics, or equivalent technical field.
  • 4+ years of professional experience using deep learning frameworks such as PyTorch, JAX, or TensorFlow.
  • 2+ years of deep expertise in LLMs or VLMs, specifically in training, alignment (RLHF/DPO), or agentic reasoning frameworks.
  • SOTA Publication Record: A strong history of lead-researcher publications in top AI venues OR a proven track record of shipping industry-defining AI innovations to millions of users.

Benefits

Comp & perks
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Stock options

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
AI researchML researchdeep learningLLMsVLMstrainingalignmentRLHFDPOagentic reasoning
Soft Skills
mentorshipscientific rigorcuriosityhigh-velocity experimentation
Certifications
Ph.D.Master’s degree