Job Description
WHOOP is an advanced health and fitness wearable on a mission to unlock human performance and extend healthspan. By providing members with a deep understanding of their bodies behaviors and daily lives WHOOP empowers healthier choices and peak performance.
We are seeking a Senior AI Researcher to join our Foundation AI team. This team builds the multimodal foundation models that underpin WHOOP’s next generation of intelligent personalized and health-enhancing experiences. These models integrate data across wearable sensors language biomarkers clinical information and self-reported inputs to create scalable AI systems that understand human physiology and behavior.
In this role you’ll serve as a senior individual contributor driving the research development and deployment of large-scale multimodal models. You’ll collaborate closely with data scientists ML engineers and cross-functional partners to push the boundaries of deep learning and ensure our models deliver measurable value to WHOOP members.
RESPONSIBILITIES:
- Design train and optimize large-scale multimodal foundation models that integrate wearable sensor data text biomarkers and behavioral data.
- Conduct applied research in self-supervised learning representation learning and downstream task fine tuning to advance WHOOP’s core model capabilities.
- Develop scalable distributed training pipelines for large models on high-performance compute environments.
- Collaborate with MLOps data engineering and software engineering teams to operationalize models for production deployment ensuring robustness reproducibility and observability.
- Partner with product and research teams to translate foundation model capabilities into downstream features that deliver meaningful member value.
- Contribute to the technical roadmap and architectural direction for foundation model development at WHOOP.
- Ensure models adhere to WHOOP’s standards for ethical transparent and privacy-preserving AI.
QUALIFICATIONS:
- Advanced degree (Master’s or Ph.D.) in Computer Science Machine Learning Electrical Engineering or a related field or equivalent professional experience.
- 7+ years of experience in applied ML AI research or large-scale modeling with a track record of delivering production systems.
- Expertise in modern deep learning (e.g. transformers state space models) multimodal model training.
- Proficiency in Python and deep learning frameworks (e.g. PyTorch TensorFlow).
- Familiarity with training models on mulit-node multi-gpu distributed compute environments.
- Familiarity with best practices for data model and context parallelisms.
- Strong applied experience with representation learning self-supervised methods and post-training for downstream applications.
- Experience with reinforcement learning for post-training foundation models (PPO DPO GRPO etc.).
- Familiarity with MLOps best practices including model versioning evaluation CI/CD for ML and cloud-based compute.
- Excellent communication skills and ability to collaborate cross-functionally with engineers researchers and product teams.
- Passion for WHOOP’s mission to improve human performance and extend healthspan through science and technology.
Skills Required
- Advanced degree (Master's or Ph.D.) in Computer Science Machine Learning Electrical Engineering or a related field or equivalent professional experience
- 7+ years of experience in applied ML AI research or large-scale modeling
- Expertise in modern deep learning (e.g. transformers state space models)
- Proficiency in Python and deep learning frameworks (e.g. PyTorch TensorFlow)
- Familiarity with training models on multi-node multi-GPU distributed compute environments
- Strong applied experience with representation learning self-supervised methods and post-training for downstream applications
- Experience with reinforcement learning for post-training foundation models (PPO DPO GRPO etc.)
- Familiarity with MLOps best practices including model versioning evaluation CI/CD for ML and cloud-based compute
What the Team is Saying
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WHOOP Compensation & Benefits Highlights
- Parental & Family Support—Policies include 18 weeks of paid parental leave plus two additional weeks to support return-to-work. Feedback suggests this depth of leave is a standout element of the package.
- Wellbeing & Lifestyle Benefits—Offerings span medical/dental/vision mental-health support a $500 wellness stipend daily meals onsite gym/recovery tools commuter benefits and free WHOOP memberships. These wellness-forward perks collectively signal strong everyday support for employees’ health and lifestyle.
- Equity Value & Accessibility—Stock options are granted at hire and ownership is emphasized as part of total rewards. Feedback suggests this equity component is valued alongside cash compensation.
WHOOP Insights
What We Do
At WHOOP we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.
Why Work With Us
At WHOOP we’re focused on building an inclusive and equitable team with a strong sense of belonging for everyone—increasing representation in every way as our team grows. We believe that our differences are our source of strength—so much so it’s one of our core values.
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Date Posted
05/23/2026
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