- Experience building ML systems for games, live service products, consumer personalization, or other player-facing digital products.
- Experience with matchmaking, recommendations, multi-objective optimization, or other systems that must balance competing goals.
- Familiarity with causal inference, uplift modeling, contextual bandits, reinforcement learning, or other approaches useful for adaptive player experiences.
- Experience integrating models into latency-sensitive or high-reliability production environments.
- Experience defining telemetry or instrumentation needs in close partnership with software engineers.
- Familiarity with responsible AI practices, including fairness, safety, transparency, and operational trustworthiness.
- Comfort collaborating across a central craft organization and an embedded product team model.
For this role, you’ll find success through
- Strong applied ML craft
- Independent execution in ambiguous spaces
- Thoughtful collaboration with product, design, engineering, and Insights partners
- Decision-making that prioritizes player value and long-term system health
For this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes the delight of players. We will be looking at your past studies, experience, and your personal relationship with games. If you embody player empathy and care about players' experiences, this could be your role!
Our Perks
Riot focuses on work/life balance, shown by our open paid time off policy and other perks such as flexible work schedules. We offer medical, dental, and life insurance, parental leave for you, your spouse/domestic partner, and children, and a 401k with company match. Check out our benefits pages for more information.
At Riot Games, we put players first. That mission drives every decision in our quest to create games and experiences that make it better to be a player. Whether you’re working directly on a new player-facing experience or you’re supporting the company as a whole, everyone at Riot is part of our mission. And just like in our games, we’re better when we work together. Our goal is to create collaborative teams where you are empowered to bring your unique perspective everyday. If that sounds like the kind of place you want to work, we’re looking forward to your application.
Per the Los Angeles County Fair Chance Ordinance, the following core duties may create a basis for disqualifying candidates with relevant criminal histories:
- Safeguarding confidential and sensitive Company data
- Communication with others, including Rioters and third parties such as vendors, and/or players, including minors
- Accessing Company assets, secure digital systems, and networks
- Ensuring a safe interactive environment for players and other Rioters
These duties are directly related to essential operations, safety, trust, and compliance obligations within our organization. Please note that job duties may evolve based on business needs and additional responsibilities may be assigned as necessary to maintain operational efficiency and security.