Remote Fraud Engineer — AI-Driven Risk & Detection

mercor; United States; Remote; USD 110,000 - 138,000; Full time

Job summary

Mercor, headquartered in San Francisco, seeks a Fraud Engineer (Coding Agent Experience) for a remote contract role. You will use frontier AI coding agents to tackle complex fraud and risk tasks, reviewing model-generated implementations across detection systems and risk scoring.

The role requires 2+ years in fraud engineering or trust & safety, plus experience building detection and monitoring tools, and comfort evaluating AI-assisted solutions.

Qualifications

• 2+ years of professional experience in fraud engineering or related domains.
• Experience building fraud detection systems, risk scoring models, or transaction monitoring systems.
• Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools.

Responsibilities

• Use frontier AI coding agents to complete and evaluate complex fraud and risk engineering tasks.
• Review model-generated implementations involving fraud detection systems, risk scoring models, abuse prevention tooling, and transaction monitoring systems.
• Identify bugs, edge cases, and failure modes to enhance model robustness.
• Compare outputs from multiple frontier models and assess their strengths and weaknesses.
• Apply professional engineering judgment to realistic fraud and risk engineering scenarios.

Skills

Fraud engineering

Risk engineering

Trust & safety

AI coding agents

Tools

Cursor

Claude Code

Codex

Windsurf

Gemini CLI

Job description

Mercor, headquartered in San Francisco, seeks a Fraud Engineer (Coding Agent Experience) for a remote contract role. You will use frontier AI coding agents to tackle complex fraud and risk tasks, reviewing model-generated implementations across detection systems and risk scoring.

The role requires 2+ years in fraud engineering or trust & safety, plus experience building detection and monitoring tools, and comfort evaluating AI-assisted solutions.