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Location
In office (Buenos Aires)

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 5, 2026. Mercado Libre scores B on the Alion truth index.

Overview
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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 Software Engineer en Mercado Libre, diseñarás y escalarás servicios e infraestructura que permiten construir experiencias personalizadas para millones de usuarios en América Latina. Trabajarás en desafíos de gran escala, desarrollando sistemas de baja latencia capaces de seleccionar y ordenar grandes volúmenes de ítems en función de los intereses de cada usuario.

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

  • Diseñar, desarrollar y evolucionar servicios backend para la personalización de containers y cupones, con foco en performance, disponibilidad, resiliencia y eficiencia.

  • Construir soluciones capaces de personalizar grandes volúmenes de ítems y responder con baja latencia, incluso frente a los picos de tráfico generados por los principales eventos de Mercado Libre.

  • Resolver desafíos de concurrencia, latencia, escalabilidad, consistencia y costo propios de sistemas distribuidos que operan en múltiples sites.

  • Diseñar y evolucionar arquitecturas que integran servicios síncronos y asíncronos, streams, KVS y mecanismos de caching.

  • Participar en el diseño de estrategias para almacenar, recuperar y procesar eficientemente la información necesaria para personalizar las distintas experiencias.

  • Evaluar alternativas y trade-offs de arquitectura, tomando decisiones que permitan construir soluciones simples, escalables y mantenibles.

¿Qué buscamos en vos?

  • Tener experiencia sólida en desarrollo backend y en la operación de sistemas distribuidos de alta escala en producción.

  • Contar con experiencia desarrollando servicios en Go, o alternativamente en Java. Valoramos especialmente experiencia trabajando con ambos lenguajes.

  • Contar con experiencia diseñando y escalando servicios con requerimientos exigentes de latencia, disponibilidad y volumen de tráfico.

  • Poseer fundamentos sólidos de ingeniería de software, incluyendo diseño modular, testing, observabilidad, performance, resiliencia y mantenibilidad.

  • Tener experiencia trabajando con arquitecturas distribuidas que utilicen streams, almacenamiento key-value y estrategias de caching.

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

Modalidad de trabajo híbrida. Búsqueda para Argentina y Colombia.

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