Machine Learning Engineer (Foundation Models & Personalization)

Eight Sleep is a sleep fitness company that's redefining what it means to be well-rested. We're looking for a Machine Learning Engineer to build and ship consumer-facing AI systems that power personalization, coaching, and next-generation 'sleep intelligence.'

Requirements

• 2+ years building ML systems in production, ideally for consumer-facing products.
• Strong ML fundamentals across supervised learning, sequence/time-series modeling, and modern deep learning.
• Hands-on experience with large-scale model training and evaluation (PyTorch/TensorFlow/JAX), and strong Python engineering practices.
• Experience with personalization systems (ranking/recommendations, segmentation, lifecycle modeling, propensity/behavior modeling, causal/experiment-aware thinking).
• Fluency with data tooling (SQL, distributed compute such as Spark/Ray, and cloud storage/compute).
• Strong product sense: you can translate ambiguous goals into measurable outcomes and iterate quickly with stakeholders.

Benefits

• Innovation in a culture of excellence
• Immediate responsibility and accelerated career growth
• Collaboration with exceptional talent
• Equitable compensation and continuous equity investment
• Your own Pod - and other great benefits