David John

Designed and operationalized security architecture for the Web3 gaming platform Alien Worlds, protecting a multi-million-dollar digital asset economy and millions of user accounts. Led cross-border security initiatives across German- and English-speaking markets, shifting from reactive security to a proactive, metrics-driven defense model. Security Strategy & Fraud Prevention → Reduced bot-driven fraud by 50% through strategic threat modeling and economic attack vector analysis → Built fraud prevention arc

Led security-focused support and operations for the Web3 gaming platform Alien Worlds, scaling the team from 3 to 12 members while implementing structured fraud detection and incident response frameworks that reduced bot-driven fraud by 50%. Security Operations & Fraud Control → Designed and managed real-time fraud detection workflows → Implemented structured incident response and escalation procedures to protect user assets → Built security training programs enabling support teams to identify and mitigate

Established the security-first support foundation for the Web3 gaming platform Alien Worlds, building fraud prevention, user protection, and trust & safety frameworks for a rapidly growing decentralized community. Community Protection & Trust Infrastructure → Designed early-stage fraud identification and verification protocols for community-facing teams → Implemented security verification processes for high-value user accounts → Built structured incident reporting and response workflows → Developed user ed

Delivered enterprise-level security support for complex client environments, focusing on incident resolution, system analysis, and operational stability for customer-facing systems. Incident Analysis & System Troubleshooting → Analyzed complex technical incidents and coordinated resolution workflows across multiple teams → Performed structured root cause analysis to identify failure points in customer-facing systems → Conducted vulnerability assessments to identify and prioritize remediation actions Clien