Senior Software Engineer

Riot Games is a game company that puts players first. We are looking for a Senior Platform & Infrastructure Engineer to join our Riot Technology team.

• Build and operate Kubernetes, multi-node GPU clusters, and networking infrastructure for distributed ML bot training and large-scale policy evaluation.
• Design infrastructure for running simulation environments at scale, enabling parallel rollouts, data collection, training, and evaluation.
• Build CI/CD, deployment automation, artifact management, and infrastructure-as-code across cloud environments.
• Improve platform reliability, cost efficiency, performance, reproducibility, auditability, and operational maturity.
• Build observability, monitoring, alerting, health indicators, and SLO-aligned dashboards for infrastructure and ML workloads.
• Develop internal APIs, control planes, templates, and developer tooling for distributed training and evaluation workflows.
• Support MLOps workflows including automated training pipelines, model artifact management, experiment tracking, and reproducible ML lifecycle operations.
• Build security and governance controls, manage production incidents, drive root-cause remediation, mentor engineers, and support recruiting for platform roles.

• Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
• 3+ years of software engineering experience, with meaningful experience in infrastructure, platform engineering, or SRE roles.
• Experience operating distributed systems in production and keeping them healthy under real load.
• Strong experience with Kubernetes, AWS or GCP, infrastructure-as-code, CI/CD, deployment automation, and production tooling.
• Experience with GPU compute infrastructure, including scheduling, multi-node orchestration, and resource optimization for long-running training workloads.
• Proficiency in Python and solid understanding of networking, microservices, core infrastructure services, and distributed systems fundamentals.

• 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.