About the job
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.
Responsibilities
Develop cutting-edge defenses against complex fraud and identity spoofing, such as deepfake detection and facial representation systems, utilizing modern architectures like Vision-Language Models (VLMs) and multimodal learning.
Build high-precision facial age estimation and real-time liveness checks that form the critical foundation of a safe, trusted platform for users.
Qualifications
Minimum
Possessing or pursuing a PhD in computer science, engineering, or a related field, with a thesis aligned to Roblox’s research areas.
Expertise in one or more areas: computer vision, multimodal learning, deepfake detection, facial representation, adversarial machine learning, or VLM/LLM.
Strong coding skills with proficiency in one or more programming languages and experience with building large-scale systems
Experience working with large-scale data logs and tools like Spark and SQL to extract meaningful behavioral features.
The ability to build and productionize end-to-end ML development life cycles, including data engineering and scoring algorithms.
Preferred
No preferred qualifications listed.