Senior Machine Learning Engineer, Behavioral Detection

Roblox·San Mateo, CA, United States·Posted 13 November 2026

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About the role

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Machine Learning Engineer on the Engine Security Behavioral Detection team, you will focus on building scalable ML systems to detect malicious behavior, automated play, and exploits using real-time or offline analysis to ensure platform safety and integrity. You will be at the forefront of protecting the Roblox community, developing sophisticated models that distinguish between legitimate player…

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