Fraud IT & Scoring Account & Staff Sr Analyst
Core
Analyze large data volumes to reduce account theft risk and improve transaction security through predictive models and fraud prevention.
Role type
Senior Fraud IT & Scoring Analyst
Builds
Fraud prevention tools, scoring models, and risk mitigation solutions for Mercado Libre's Latin American ecosystem
Domain
Fintech / Fraud Prevention / Data Analytics
Deliverable
production ML models
Required skills
SQL, Python, R, Excel, statistical analysis, root cause analysis, KPI monitoring, feature engineering, A/B testing
Responsibilities
Analyze large data volumes to reduce account theft risk; Perform transactional analysis to identify patterns and implement efficiency solutions; Detect KPI deviations and implement corrective changes; Support data science teams with model voting, threshold calibration, and feature engineering; Collaborate with Technology, Scoring, and Security teams to drive business impact
