Research Engineer / Research Scientist, Health

Job summary

Responsibilities

We’re looking for an exceptional, hands-on researcher who wants to build frontier health capabilities and turn them into impact at scale. This is a role for someone who can take an important, underdefined problem from 0→1: identify the right bet, build what’s needed to test it, and drive it all…

• Own a high-leverage research direction end to end—from deciding which problem matters and how to measure it, to designing and running experiments, to integrating successful work…
• Develop scalable methods across pretraining, midtraining, reinforcement learning, and post-training to improve health reasoning, knowledge, reliability, calibration, and behavior.
• Build and study RL environments grounded in real health problems; understand which data and training setups produce robust, generalizable improvements rather than just higher…
• Create meaningful, trustworthy, and unsaturated evaluations that tell us whether our models are actually getting better at what matters for patients and clinicians.
• Advance new 0→1 capabilities in health that may have an increasing impact with upcoming increases in model intelligence and test-time compute.