Ketki Deo
@ketkideo
I investigate payment fraud and build Python, SQL, and Tableau solutions for data-driven risk decisions.
IndiaWhat I'm looking for
At Fiserv, I investigate Visa and Mastercard fraud and payment disputes, analyze transaction patterns, and improve fraud prevention controls. I process 1,000+ fraud and dispute cases daily with zero process losses and was recognized as top performer among 40 professionals across locations.
I'm transitioning my fraud and risk domain knowledge into data analytics and data science, using Python, SQL, Tableau, statistical analysis, and machine learning. I built a fraud detection model on 200,000 PaySim transactions that achieved 1.00 precision, 0.98 F1 score, and 1.00 ROC-AUC, and created an interactive Tableau fraud analytics dashboard for decision-making.
Experience
Work history, roles, and key accomplishments
Investigating Visa and Mastercard fraud and payment dispute cases, analyzing transaction data to uncover fraud patterns, and conducting root cause analysis. Recognized as top performer among 40 professionals for six consecutive months, processing 1,000+ cases daily with zero process losses.
Resolved customer queries through chat channels, maintaining high productivity and a 95% average customer satisfaction rating. Strengthened analytical and communication skills supporting later fraud investigation work.
Education
Degrees, certifications, and relevant coursework
Amity University
Bachelor of Commerce, Financial and Investment Analysis
Completed Bachelor of Commerce with a focus on Financial and Investment Analysis.
Maharashtra State Board of Secondary and Higher Secondary Education
Higher Secondary Certificate, General Studies
Completed Higher Secondary Certificate (HSC) from Maharashtra Board.
Maharashtra State Board of Secondary and Higher Secondary Education
Secondary School Certificate, General Studies
Completed Secondary School Certificate (SSC) from Maharashtra Board.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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