Key Responsibilities

1. Analyze security risk data and fraudulent behaviors across Xiaomi's international markets; design, validate, and deploy anti-fraud detection strategies and security controls.

2. Design, develop, and implement secure system architectures for anti-fraud and content security platforms; embed security principles into system design to mitigate risks posed by new technologies and evolving business practices.

3. Own daily content security operations for international markets: develop and tune machine-based and human-review rules and SOPs to ensure zero leakage of violative content.

4. Track the latest attack-and-defense trends in the industry, conduct threat modeling on emerging fraud vectors, and apply insights to harden detection systems and product security posture.

5. Conduct threat modeling and adversarial analysis on fraud attack vectors (e.g., account takeover, fake-account farming, transaction abuse, content manip...