Principal Machine Learning Engineer, Alt Defense
Core
Architect and build an industry-leading alternate account detection system to prevent bad actors from returning to the Roblox platform using new identities.
Role type
Principal Machine Learning Engineer (Adversarial Detection)
Builds
High-scale ML systems for alternate account detection and prevention
Domain
Online Safety / Anti-Fraud / Identity Verification
Deliverable
production ML models
Required skills
Graph Neural Networks (GNNs), Large-scale clustering, Adversarial ML, Low-latency system design, Ground truth engineering, Technical leadership
Preferred skills
Experience with GraphSAGE, PGB, Unsupervised/semi-supervised learning, Big data behavioral signals
Technologies
Graph Neural Networks, Clustering algorithms, Big Data frameworks
Responsibilities
Lead technical vision for alternate account detection platform, Architect high-scale ML systems, Solve complex ground truth and training data challenges, Build for latency and scale, Develop innovative adversarial approaches, Drive the ML roadmap, Mentor and up-level a pod of engineers
Seniority
Principal, hands-on IC with strategic leadership
