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Salary
≈ $51k – $117k per year (Estimated)
Location
In office (Buenos Aires)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Oct 13, 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

Senior Software Engineer - Display Ads

Como Senior Software Engineer en Mercado Libre diseñarás y escalarás herramientas y plataformas innovadoras que impulsan el rendimiento, la eficiencia y la confiabilidad de las aplicaciones de una de las plataformas de e-commerce más grandes del mundo. Trabajarás en un entorno dinámico con tecnología de punta, aplicando buenas prácticas de ingeniería, herramientas automáticas apoyadas en IA y aprendizaje continuo, con el propósito de democratizar el comercio electrónico y los servicios financieros en América Latina.

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

  • Diseñar, desarrollar y evolucionar componentes críticos del flujo de serving y subasta de Display Ads.

  • Participar en decisiones de arquitectura y mantener ownership técnico end-to-end de las soluciones en producción.

  • Analizar y optimizar la performance, latencia y escalabilidad de aplicaciones críticas en tiempo real.

  • Garantizar la observabilidad, calidad, salud de servicios e investigar incidentes productivos.

  • Colaborar con equipos multidisciplinarios (Product, Data Science, Advertising) alineando soluciones con métricas de negocio.

  • Promover buenas prácticas de ingeniería, mentorear al equipo y proponer mejoras continuas.

¿Qué buscamos en vos?

  • Tener experiencia en desarrollo backend (Java y/o Go) con buenas prácticas y diseño de software.

  • Contar con experiencia en diseño de sistemas de alto volumen de tráfico, alta performance y disponibilidad.

  • Poseer conocimientos de uso de bases de datos, cachés y estrategias de testing (unitarios e integración).

  • Analizar métricas, diagnosticar problemas y liderar discusiones técnicas.

  • Asumir ownership end-to-end de iniciativas para llevarlas a producción, entender el negocio y mentorear/transmitir conocimiento.

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

¡Postulate y sumate a nuestro propósito!

Modalidad de trabajo híbrida. Site Buenos Aires, Argentina.

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