Principal Data Scientist, Detection is open at Cloudflare (Hybrid). The posting gives a salary of $215K - $225K. Posted on Sep 9, 2026, and still on Cloudflare’s careers page when we last checked, on Nov 14, 2026.
About the role
Cloudflare’s Engineering Team is home to some of the industry’s top engineers, dedicated to building and scaling innovative software that handles a huge proportion of the Internet. Our Detection department sits at the heart of that mission: we identify automated, fraudulent, and malicious activity across the Internet and through our gateway. We develop advanced detection systems and machine learning models that…
The opening lines of the posting. The rest is on Cloudflare’s careers page.
Hiring at Cloudflare
Cloudflare has 479 open roles right now. Most are in Engineering, Sales & Business Development and Security. The median advertised salary across its roles with a published range is $230K. See all its roles