Senior Staff Data Scientist

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Staff Data Scientist based in Canada. As a Senior Staff Data Scientist, you will join an AI Security team focused on detecting anomalous activity, abuse, and emerging risks across AI-powered products. You will design and develop machine learning approaches that transform large-scale behavioral data into actionable security insights. Your work will directly contribute to protecting customers, improving detection accuracy, and reducing false positives. You will collaborate closely with security engineers, software engineers, ML researchers, and product teams. The role combines hands-on data science, experimentation, technical leadership, and mentorship. You will work on challenging problems involving anomaly detection, sparse and unbalanced datasets, and large-scale distributed computing. This is an opportunity to influence how AI security systems are evaluated, developed, and brought into production.