Software Engineer, Fraud

Location: San Francisco or New York City
Company Stage: Series C / Late-Stage (AI / Enterprise)
Office Type: Onsite (5 Days a Week)
Salary: $130000 $400000 Equity

This high-growth AI company is building the infrastructure that powers how human expertise is leveraged to train and improve frontier AI systems. With a large global network and partnerships with leading AI labs and enterprises the platform operates at massive scale enabling real-world workflows that directly shape the future of AI. Backed by top-tier investors and operating profitably the company is entering its next phase of growth focused on reliability trust and platform integrity.

• Design and build fraud detection and prevention systems across key surfaces including identity verification and platform abuse
• Identify fraud patterns and translate them into scalable backend systems tools and workflows
• Partner closely with product and engineering to define fraud strategy and prioritize high-impact initiatives
• Develop systems that detect suspicious behavior mitigate risk and reduce fraudulent activity in real time
• Improve visibility into fraud trends risk exposure and system effectiveness through monitoring and analytics
• Operate autonomously in ambiguous environments owning large problem areas end-to-end
• Balance security user experience and operational efficiency when designing fraud prevention systems

• 4 years of experience building production backend systems
• Strong engineering fundamentals with experience in scalable system design and data-driven applications
• Experience working on fraud detection abuse prevention or trust & safety systems (preferred but not required)
• Ability to identify patterns in complex systems and translate them into technical solutions
• High ownership mindset with comfort operating in fast-moving ambiguous environments
• Strong judgment in balancing risk speed and user experience

• Prior experience building fraud risk or trust & safety systems at scale
• Familiarity with identity verification anomaly detection or behavioral analytics
• Experience working with large datasets event streams or real-time detection systems
• Background in high-growth startups or environments with rapid iteration cycles

• Base salary: $130K $400K meaningful equity
• Bi-annual performance bonuses
• Relocation support (up to $15K) and housing stipend ($10K)
• Monthly stipends for meals wellness and personal expenses
• Premium health dental and vision coverage
• Fitness membership and additional lifestyle perks
• High-impact role with direct influence on platform integrity and financial outcomes

This role is ideal for engineers who want to work on high-stakes real-world problemsprotecting platform integrity preventing fraud at scale and building systems that safeguard millions in value while enabling rapid company growth.