Senior Backend Software Engineer

MercadoLibre
Buenos Aires
Workplace: HybridFull timeFunction: Software EngineeringSkills: []

Design and scale secure, high-impact backend systems for sales listings and details, including dispatches, cancellations, and claims. Build and maintain a sales dashboard with filters, reports, and summarized views to help sellers resolve critical tasks. Develop integrations for money movement processing to ensure accurate final net balances. Contribute to high-scale microservices architecture, using observability tools and generative AI coding assistants to accelerate engineering workflows.

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FursaFursa
MercadoLibre
MercadoLibre
4 days ago

Senior Backend Software Engineer

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Design and scale secure, high-impact backend systems for sales listings and details, including dispatches, cancellations, and claims. Build and maintain a sales dashboard with filters, reports, and summarized views to help sellers resolve critical tasks. Develop integrations for money movement processing to ensure accurate final net balances. Contribute to high-scale microservices architecture, using observability tools and generative AI coding assistants to accelerate engineering workflows.
Location: Buenos Aires
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and implement backend services for sales listings and details, including dispatches, cancellations, and claims handling.
  • •Maintain a sales dashboard with filters, reports, and summarized views to simplify resolution of critical seller tasks.
  • •Develop integrations to process and calculate money movements tied to transactions, ensuring correct net final balances.
  • •Participate in architecture decisions for high-scale distributed microservices with regional concurrency.
  • •Use generative AI development assistants (Claude Code, Codex) to optimize engineering workflows.

Key Requirements

  • •Strong backend development experience with Java or Go in high-traffic distributed systems.
  • •Experience designing and building microservices architectures, REST APIs, and databases in high-concurrency cloud environments.
  • •Practical knowledge of observability tools such as Datadog or Kibana to monitor and resolve complex incidents.
  • •Experience using generative AI code assistance tools to support development workflows.
  • •Ability to participate in architecture decisions for highly scalable microservices with regional concurrency.
Experience:E-commerceFintechMicroservicesCloudDistributed systemsHigh-concurrency systems
Tech Stack:JavaGoMicroservicesAPIsRESTDatadogKibanaClaude CodeCodexInteligencia artificial generativa

Company Brief

MercadoLibre
Operates Latin America's leading e‑commerce marketplace and fintech ecosystem, offering online buying and selling, classifieds, payment processing, credit, and logistics services across multiple countries in the region.
Industry: Online Marketplaces
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Buenos Aires, Argentina
Founded: 1999
Glassdoor
Glassdoor: 3.8
WebsiteLinkedIn