You'll build and scale the core infrastructure behind our detection logic—rule engines, fingerprinting pipelines, and high-speed signal ingestion. Integrating AI-driven detection and auto-adaptive logic that reacts in real time. If you enjoy real-time systems, security, and automation, this is a highly technical role that’s at the core of our detection stack. Perfect if you’ve worked in security, data pipelines, or real-time analytics and want to outsmart fraudsters.
Remote
Remote Conditions
Fully remote from Europe/EMEA timezone
Salary
Not Specified
Benefits
US salaries globally, Flexible hours, Unlimited PTO, Paid parental leave
Castle is a YC-backed Series A startup helping companies like Canva, Atlassian, and Rockstar Games fight fraud and abuse. They are building modern, AI-powered bot detection and abuse prevention tech, with a focus on real-time protection and behavioral intelligence.