Real-Time ML Architect — Player Personalization & Matchmaking

Riot Games is seeking a Sr. Principal ML Engineer to define and drive the modeling architecture for personalization, matchmaking, and social experiences across the player ecosystem. You will collaborate with Product Leaders, Software Engineers, and Data Engineers to deliver intelligent and fair player experiences at scale. This role focuses on real-time inference, multi-objective optimization balancing fairness and latency, and responsible AI governance across live-service environments.