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felipebustam223

Felipe B

@felipebustam223

Specialist Investigator Abuse Prevention

Costa Rica
Español, Inglés, Francés, Portugués
Parte de la información aparece en idioma inglés.
Sobre mí
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.... Lee más

Habilidades

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felipebustam223
Felipe B
desconectado • 

Revisa mis servicios

Análisis de BI
I will clean, analyze, and visualize your data in excel, power bi, or sql

Experiencia laboral

Amazon

Specialist Investigator

Amazon • Tiempo completo

Apr 2022 - Jul 20264 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