Karthik Prasanna Kumar Mamidi

• Identify and block fraudulent transactions on Amazon.com/FR/IT/UK/ES
• Extract data for analysis and model development from large, complex data sets
• Support organizational development and team building activities
• Mentor peers to perform in-depth investigations of complex cases
• Analyze business requirements and develop a data dictionary to provide a consistent source of business/technical
• context across multiple applications. Documentation includes business metadata, technical metadata, and operational metadata.
• Capture data lineage to provide transparency and increase knowledge of the organization regarding data created, consumed, distributed, and exposed.
• Define data problems, collect and analyze data, and draw valid conclusions.

Process Improvement: Drove continuous improvement and contributed to Correction of Error processes by documenting issues relevant to risk assessments. Own specific actioned or change-management activities to create positive impact. Reviewed 750 transactions per quarter and saved $540k by identifying risky transactions; executed a process awareness campaign to reduce defects by 35%.

Data Analysis/lineage: Extracted data for analysis and Modelled data sets to draw insights on fraud patterns; Analyzed 80-100 transactions/day (peer avg.75) to check and resolve for fraud among customer transactions. Adhering to governance guidelines and best practices, developed a data dictionary and data lineage on Visio.

Training and Mentoring : Advanced 40 new joiners to floor projects within one month by training them on Process fundamentals and internal tools. Achieved proficiency in Microsoft Office, Tableau.