Ishita banerjee

Business Analyst at Amazon

Experienced Business/Risk Analyst with extensive expertise in e-commerce fraud detection and machine learning support. Proficient in developing and executing complex SQL queries to identify fraud rings, abuse patterns, and money laundering activities across e-commerce platforms. Collaborate closely with Data Science teams to identify and validate key risk signals, contributing domain expertise to feature engineering and model enhancement processes. Partner with Data Engineering teams to implement robust data governance frameworks, ensuring data quality through comprehensive validation, null checks, and duplicate detection for ML model training. Demonstrated success in investigating suspicious account networks, improving fraud detection rates, and establishing data quality KPIs. Strong technical foundation in advanced SQL querying, data analysis, risk assessment frameworks, and business intelligence tools, combined with deep understanding of emerging fraud patterns and risk indicators i