Principal AI/ML Researcher
Core
Lead the development of foundation models integrating wearable sensor data, text, biomarkers, and behavioral signals to understand human physiology and behavior.
Role type
Principal AI Researcher (Strategy & Technical Leadership)
Builds
Scalable AI systems and foundation models for personalized health and fitness experiences
Domain
Health Tech / Wearables / Machine Learning
Deliverable
production ML models
Required skills
Large-scale machine learning, deep learning (transformers, state space models), multimodal training, self-supervised and representation learning, RL-based post-training (PPO/DPO/GRPO), large-scale distributed training, architectural decision-making, technical strategy, team mentorship
Preferred skills
Publications at top-tier ML venues, community building, external representation
Technologies
Transformers, state space models, PPO, DPO, GRPO
Responsibilities
Set architectural direction for large-scale models, drive high-risk research from thesis to production, shape AI strategy and infrastructure standards, partner across research/product/engineering, grow staff and strengthen design norms, represent WHOOP externally
Seniority
Principal, strategy & mentorship
