About this role
Principal Data Scientist (Personalization, Matchmaking, & Player Experience AI) - Publishing Platform at Riot Games. Location: Los Angeles or Mercer Island. Role: Defining architecture, Leading models, Building systems Requirements: 10+ years in ML/Applied AI; 3+ years in principal/staff-level leadership; experience with large-scale real-time ML systems; proficiency in PyTorch, TensorFlow, JAX; strong A/B testing and ML strategy experience. Category: Data and Analytics Seniority: Senior Level Tools: PyTorch, TensorFlow, JAX, Ray, Kafka, Flink, Redis, Python, SQL Commitment: Full Time Workplace: Onsite Languages: English