Staff / Principal Research Scientist - USA
Core
Building state-of-the-art realtime voice models and agentic systems for consumer-facing AI applications across health, fitness, learning, and media.
Role type
Staff / Principal Research Scientist (AI/ML)
Builds
Realtime voice models, agentic systems, and best-in-class APIs for developers
Domain
Artificial Intelligence, Machine Learning, Natural Language Processing
Deliverable
production ML models
Required skills
Foundation model training and architecture design, Reinforcement Learning, Reward modeling, Large-scale evaluation and benchmarking, Multimodal model development, Agent and tool-use design, Experimental design and failure analysis
Preferred skills
Published research at top-tier conferences (ICML, ICLR, NeurIPS, EMNLP, ACL, AAAI), PhD in ML/NLP or equivalent practical experience, Full-stack research ownership from question framing to shipping
Technologies
LLMs, RL frameworks, Evaluation loops, Test-time compute
Responsibilities
Design and execute experiments to solve unclear problems, develop new model architectures and evaluation methodologies, ship research results into production systems, frame research questions and drive full-cycle ownership
Seniority
Staff / Principal, hands-on IC with strategic impact
