Principal Data Scientist, ML Bots - Game Tech G...

@ Riot Games

Overview

At AI Foundations, our mission is to unlock cutting edge player experiences through the power of ML and AI technologies. The AI Foundry team partners with teams across Riot to accelerate development and deployment of new machine learning systems.

Responsibilities

• Lead modeling strategy for ML Bots across multiple games.
• Develop predictive features from gameplay telemetry and simulation outputs.
• Design and implement ML systems using reinforcement and imitation learning.
• Define evaluation frameworks balancing general and genre-specific metrics.
• Ensure safety, fairness, and trustworthiness of autonomous agents.
• Mentor senior ML engineers and support technical decision-making.
• Collaborate with game, platform, and UX teams for production integration.
• Represent the team in multi-game forums and shared framework initiatives.

Required Qualifications

• 8+ years of experience delivering ML systems in production.
• Expertise in reinforcement learning, imitation learning, and simulation-based training.
• Proven ability in designing modeling strategies across interactive products.
• Strong background in developing predictive features from complex data.
• Experience mentoring engineers and working within cross-disciplinary teams.

Desired Qualifications

• Mastery in experiment design, model evaluation, and autonomous agent optimization.
• Familiarity with integrating ML-driven agents into live game environments.
• Demonstrated passion for player experiences and game domain expertise.

Perks and Benefits

• Flexible work schedules with open paid time off policy.
• Medical, dental, and life insurance benefits.
• Parental leave and a 401k with company match.

Equal Opportunity

Riot Games provides equal employment opportunity to all applicants. The company makes reasonable accommodations while upholding a safe and secure operational environment.