Anti-Fraud & Abuse Engineer

Details

Perplexity is seeking a highly skilled, experienced and hands-on Anti Fraud & Abuse Engineer to join our security team. You will design, implement, and operate monitoring and detection systems to identify and prevent fraudulent behaviors and abuse of Perplexity's products and services.

Responsibilities

• Design, build, and operate monitoring and detection systems to identify and prevent fraudulent behaviors and abuse
• Perform adversary hunting to detect abuse and misuse of products and services
• Analyze how products and services are being misused or abused
• Track and mitigate cost impacts of fraud and abuse across the technology stack
• Research and anticipate emerging abuse techniques to stay ahead of evolving threats
• Generate actionable intelligence reports on new attack vectors, vulnerabilities, and threat actor tactics targeting LLM systems
• Build and maintain relationships with external threat intelligence partners and industry communities
• Establish best practices, tools, and processes for the fraud and abuse detection program

Requirements

• Experience designing, implementing, and operating fraud detection, abuse prevention, or security monitoring systems
• Background in security, adversarial machine learning, threat intelligence, or fraud investigations
• Familiarity with adversarial tactics, techniques, and procedures (TTPs) targeting AI systems
• Excellent communication skills; able to present to both technical and non-technical audiences

Compensation & Benefits

• Cash compensation range: $250,000 - $350,000 per year
• Final offer amounts are determined by factors including experience and expertise and may vary from the amounts listed above
• Equity may be part of the total compensation package
• Benefits include comprehensive health, dental, and vision insurance and a 401(k) plan

Additional details

• Team: Security
• Workplace type: Hybrid (San Francisco)