Especialista de Prevención de Fraude
Core
Leading fraud prevention initiatives for transaction security across Mercado Libre's Latin American ecosystem using predictive models and AI.
Role type
Senior IC fraud prevention specialist (data & product)
Builds
Transaction monitoring systems, fraud detection models, and security product features for the marketplace
Domain
Fintech / E-commerce / Fraud Prevention
Deliverable
production ML models
Required skills
Fraud prevention, statistical analysis, machine learning, data exploration, end-to-end transaction risk identification, technical project leadership
Preferred skills
Financial technology, cross-functional coordination with Product and Security teams, AI resource optimization
Technologies
Machine learning frameworks, statistical modeling tools, transaction monitoring systems
Responsibilities
Analyze transactional risks in critical South Cone flows to create alarms and monitors; Lead technical projects for solutions and integrations focused on key enterprise clients; Coordinate cross-functional initiatives to embed fraud prevention by design; Optimize AI resources for high-impact daily efficiency; Model deviations to feedback new variables into ML models for risk evaluation
