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Fiverr Pro
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Felipe B
@felipebustam223
Specialist Investigator Abuse Prevention
Costa Rica
Espagnol, Anglais, Français, Portugais
À propos de moi
I am a data professional with over 4 years of experience in multinational environments, specializing in data quality, risk detection, and ML-assisted decision-making. I have a proven track record of designing data-driven processes from scratch and maintaining high accuracy at scale. I leverage my background in Physics and current studies in Data Analytics to provide actionable insights using Python, SQL, and PySpark.
Compétences
Felipe B
hors ligne •
Voir mes services
Analyse BI
I will clean, analyze, and visualize your data in excel, power bi, or sql
Expérience professionnelle
Specialist Investigator
Amazon • Temps plein
Apr 2022 - Jul 2026 • 4 yrs 3 mos
Worked as a Specialist Investigator at Amazon within the Abuse Prevention team, conducting account compliance investigations across three areas: review fraud investigation, seller verification, and ML-assisted risk detection. Analyzed large volumes of multivariable data daily to identify bad-actor patterns and protect genuine customers, working directly with the outputs of a production Machine Learning risk-detection model. Key achievements: • Designed a pattern-based detection process from scratch, reducing investigations to 0 sustained defects over a 3-year period • Maintained KPI compliance at approximately 105%, consistently processing higher volumes without compromising accuracy • Validated and provided structured feedback on ML model outputs, contributing to the algorithm's continuous improvement • Led 1:1 coaching sessions with 6 to 10 teammates, achieving a sustained reduction in team defect rates
