Roblox is seeking a Senior Principal AI Platform Engineer to design, build, and maintain scalable AI infrastructure and tools that empower data scientists and engineers. The role involves leading architecture decisions, collaborating cross-functionally to accelerate AI initiatives, and ensuring robust, efficient AI platform operations. Candidates should have extensive experience in AI/ML platform development, strong programming skills, and a deep understanding of distributed systems and data engineering. This is a full-time position based in San Mateo, CA.