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Location
In office (Medellín)

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Sep 23, 2026. Mercado Libre scores A on the Alion truth index.

Overview
Company
Impact
Profile match
MercadoLibre is a leading Latin American e-commerce and financial technology company founded in 1999. The organization operates a massive online marketplace connecting buyers and sellers across 18 countries, including major markets like Brazil, Mexico, and Argentina. Additionally, its digital payments platform, Mercado Pago, has expanded into a comprehensive fintech ecosystem offering digital wallets, payment processing, and credit services throughout the region.
Backed by Endeavor

Descripción breve

Como Machine Learning Engineer - Fraud Prevention Payments en Mercado Libre, diseñarás y escalarás sistemas innovadores y seguros que resuelven problemas reales y de alto impacto. Trabajarás en un entorno dinámico con tecnología de vanguardia, aplicando buenas prácticas de ingeniería, modelos de IA propios y aprendizaje continuo, con el propósito de democratizar el comercio electrónico y los servicios financieros en América Latina.

Imagináte emprendiendo proyectos desafiantes, dinámicos e innovadores y siendo responsable de:

  • Diseñar soluciones de Machine Learning de extremo a extremo, definiendo características, entrenamiento y monitoreo de modelos.
  • Desarrollar y evaluar modelos de riesgo dentro del ecosistema de prevención de fraude en pagos.
  • Explorar datos de comportamiento y eventos de usuarios para generar señales de detección de patrones de riesgo.
  • Generar características basadas en redes y grafos para capturar relaciones entre entidades y descubrir redes no evidentes.
  • Monitorear el rendimiento, la estabilidad y la degradación de los modelos en producción.
  • Asegurar la calidad de los datos y buenas prácticas de modelado en los procesos de decisión.

¿Qué buscamos en vos?

  • Poseer dominio avanzado de Python y SQL para procesamiento, análisis y modelado de datos.
  • Desarrollar y desplegar modelos de Machine Learning a lo largo de todo su ciclo de vida en producción sobre plataformas de análisis de datos a escala como BigQuery.
  • Aplicar técnicas de modelado relacional, análisis de redes y grafos.
  • Implementar arquitecturas y soluciones orientadas a la detección de anomalías, riesgo o fraude en pagos.
  • Utilizar herramientas de control de versiones e interfaces de desarrollo asistidas por inteligencia artificial.

¿Te animás a dejar huella en la tecnología de América Latina? ¡Postulate y sumate a nuestro propósito!

Modalidad de trabajo híbrida. Site Colombia - Medellín.

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