CS Engineer

Mercado Libre • Spanish: C1 • Marketplaces • Payment Processing & Gateways • Go • JavaScript • Node JS • 2 days ago
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Salary
≈ $30k – $87k per year (Estimated)
Location
Hybrid (Buenos Aires, Argentina)

Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Sep 25, 2026. Mercado Libre scores A on the Alion truth index.

Overview
Company
Impact
Profile match

Mercado Libre

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.
mercadolibre.com • HQ: Buenos Aires, Argentina • Consumer Loans & Pawnshops • Payment Processing & Gateways • Marketplaces • 5000+ employees • Est. 1999
Tech stack of Mercado Libre

Cyber Security Ssr. Engineer

Como Cyber Security Ssr. Engineer 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:

  • Mitigar las vulnerabilidades que más afectan a nuestro ecosistema de aplicaciones de forma transversal y, en lo posible, transparente para los equipos de desarrollo.
  • Desarrollar conocimientos profundos en vulnerabilidades priorizadas con el fin de encontrar el mejor punto para aplicar el Secure Default.
  • Diseñar y desarrollar soluciones de software que provean seguridad por defecto a las aplicaciones de nuestro ecosistema.
  • Trabajar en conjunto con equipos cross como Frontend Platform.

¿Qué buscamos en vos?

  • Contar con conocimientos backend en lenguajes como Golang o NodeJs.
  • Tener experiencia en Application Security, identificando y mitigando vulnerabilidades según estándares
  • Contar con conocimiento de arquitecturas de microservicios y APIs REST, y cómo aplicarles controles de seguridad transversales.
  • Haber trabajado con herramientas de análisis de seguridad
  • Tener conocimientos de seguridad en la nube y en pipelines de CI/CD bajo un enfoque DevSecOps.

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

¡Postulate y sumate a nuestro propósito!

Modalidad de trabajo Hibrida. Site Buenos Aires, Argentina.

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