Senior / Principal AI Platform Engineer, Data

Join the  AI Platform team at Roblox, where our mission is to create a cutting-edge AI / ML platform that powers some of the most innovative and widely used products in the world. As an AI Platform Engineer focused on Data Infrastructure, you'll be at the forefront of building the critical backbone—the Knowledge Graphs and Vector Databases—that transition machine learning ideas from concept to production in record time.

Your work will directly shape the Roblox experience for millions of users, empowering a new era of AI-driven creativity, safety, and connection. The core focus of this role is to engineer and scale the foundational data infrastructure that grounds and empowers all of Roblox’s AI applications.

Why This Role?

• Unprecedented Scale : Your contributions will touch billions of users globally, driving innovation in gaming, learning, social connections, and creativity.
• Pioneer & Builder : You will play a pivotal role in designing, building, and scaling our core AI infrastructure from the ground up.
• Cutting-Edge Technology : Work on complex, large-scale systems that push the boundaries of modern ML infrastructure, including Knowledge Graphs, Vector Search, and Agentic RAG systems.

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