Staff Product Data Analyst Market Surveillance & Fraud

Ninja Trader Clearing, LLC seeks a Staff Product Data Analyst for the Trade Surveillance team in Chicago, with optional remote flexibility. You will own the in-house detection layer for fraud patterns across trading data, and lead partner-facing surveillance reporting. Collaborate with eval and prop-firm partners to validate detections and tune rules. The role emphasizes building robust detection models, maintaining data quality, and delivering actionable insights to leadership.