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Salary
≈ $78k – $231k per year (Estimated)
Location
Hybrid (Medellín, Colombia)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Apr 22, 2026. Mercado Libre scores B 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

Como Senior Software Engineer Backend 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 innovadoresy siendo responsable de:

  • Diseñar y desarrollar agentes de IA y automatizaciones que reduzcan tareas manuales y repetitivas.

  • Construir workflows agentic con tecnologías como LangGraph, Google ADK, MCP y LLMs.

  • Integrar información de múltiples sistemas para generar contexto y acelerar la gestión de bugs.

  • Diseñar servicios Back-End escalables, resilientes y observables y participar en decisiones de arquitectura y acuerdos técnicos con otros equipos.

  • Explorar herramientas como Claude Code, Codex y nuevas tecnologías de AI Engineering.

  • Identificar oportunidades de automatización, construir POCs y convertirlas en soluciones productivas.

¿Qué buscamos en vos?

  • Contar con experiencia sólida en desarrollo Back-End, APIs y sistemas distribuidos.

  • Poseer buen manejo de Python, Go y/o Java.

  • Tener experiencia con integraciones, arquitecturas asincrónicas y buenas prácticas de ingeniería.

  • Contar experiencia trabajando con LLMs y sistemas basados en IA, es deseable.

  • Tener conocimiento de LangGraph, ADK, LangChain o similares, es un plus.

¿Te animás a dejar huella en la tecnología de América Latina?

¡Postulate y sumate a nuestro propósito!

Modalidad de trabajo híbrido. Site Medellín, Colombia.

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