Staff Machine Learning Engineer - Game Tech Group, ML Platform
Riot GamesResponsibilities
- Design and operate AI and ML inference infrastructure, including deployment pipelines and CPU/GPU-aware orchestration.
- Develop workflows for rapid iteration and safe promotion from development to production.
- Optimize infrastructure for foundation models, gradient-boosted trees, and varied model architectures with high throughput, low latency, and high availability.
- Establish ML deployment practices including multi-version models, blue/green rollouts, shadow deployments, and rollback strategies.
- Reduce operational complexity and simplify platform onboarding to improve developer experience.
- Influence long-term platform architecture and technical direction across Riot’s ML ecosystem.
- Collaborate with researchers and game teams to understand product needs and build reusable platform capabilities.
- Use AI-assisted development tools and workflows thoughtfully while maintaining engineering quality and reliability.
- Lead without authority and provide technical guidance and direction to other engineers.
Requirements
- At least six years of engineering experience, including experience with ML/AI, platform, or infrastructure teams.
- Experience operating inference platforms such as KServe and production ML infrastructure such as Feast, Milvus, or similar open-source systems.
- Experience with inference-serving frameworks including NVIDIA Triton/Dynamo, TorchServe, or similar systems.
- Familiarity with GPU orchestration, performance tuning, and cost-aware scheduling.
- Experience with CI/CD workflows, infrastructure-as-code such as Terraform, and artifact management.
- Experience building and operating services in distributed or service-oriented architectures.
- Experience building ML infrastructure in real-time or latency-sensitive environments is desired.
- Hands-on experience optimizing deployments of LLMs, diffusion models, and other ML/AI systems for throughput, latency, and reliability is desired.
- Familiarity with agentic workflows and orchestration frameworks for LLM-based systems is desired.
- Passion for player experience, game systems, or creative technology development is desired.
Benefits
- Open paid time off policy
- Flexible work schedules
- Medical, dental, and life insurance
- Parental leave for the employee, spouse/domestic partner, and children
- 401(k) with company match
Tech Stack
Categories
About Riot Games
Since 2006, Riot Games has stayed committed to changing the way video games are developed, published, and supported for players. From our first title, League of Legends, to 2020’s VALORANT; we have strived to evolve the community with growth in Esports, and expansion from games into entertainment. Players are the foundation of Riot's community and because of them, we’re able to reach new heights. Founded by Brandon Beck and Marc Merrill, Riot is headquartered in Los Angeles, California, and has 4,500+ Rioters in 20+ offices worldwide. Riot has been featured on numerous lists including Fortune’s “100 Best Companies to Work For,” “25 Best Companies to Work in Technology,” “100 Best Workplaces for Millennials,” and “50 Best Workplaces for Flexibility.” Riot Games recruiters will never ask for money or request sensitive information, and they'll always reach out from an @riotgames.com email address. You can learn more about Riot’s interview process here: https://www.riotgames.com/en/work-with-us/interviewing-at-riot/interview-process