Sr Software Engineer - Mercado Envios

MercadoLibre
Florianópolis
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Mentorship","Technical leadership","Continuous improvement","Quality mindset"]

Project and scale secure, high-impact systems for the Mercado Envios business. Build and maintain robust, resilient, scalable APIs; ensure code quality with unit and integration testing; and apply an IA-First approach using generative AI agents/tools to improve coding, refactoring, and test automation. Own product architecture and iterative MVP plans while serving as a technical reference by mentoring less-experienced engineers.

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MercadoLibre
MercadoLibre
1 week ago

Sr Software Engineer - Mercado Envios

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Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Project and scale secure, high-impact systems for the Mercado Envios business. Build and maintain robust, resilient, scalable APIs; ensure code quality with unit and integration testing; and apply an IA-First approach using generative AI agents/tools to improve coding, refactoring, and test automation. Own product architecture and iterative MVP plans while serving as a technical reference by mentoring less-experienced engineers.
Location: Florianópolis
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Develop, evolve, and maintain robust, resilient, scalable APIs as part of the system architecture.
  • •Ensure code quality using rigorous unit and integration testing practices.
  • •Apply an IA-First mindset daily using generative AI tools to optimize code writing, refactoring, and automate tests.
  • •Participate in product design and architecture, creating iterative plans focused on MVP delivery and roadmap evolution.
  • •Act as a technical reference, supporting and mentoring less experienced engineers on the team.

Key Requirements

  • •Solid knowledge of Go and/or Java.
  • •IA-First mindset with practical experience using advanced code agents and AI assistants to boost productivity and delivery quality.
  • •Strong understanding of development best practices, principles, and design patterns (Clean Architecture, DDD, TDD, SOLID).
  • •Proven experience designing high-availability, scalable, and robust systems.
  • •Experience with monitoring and observability tools.
Skills:MentorshipTechnical leadershipContinuous improvementQuality mindset
Tech Stack:GoJavaAPIsUnit testingIntegration testingGenerative AIClean ArchitectureDDDTDDSOLIDMonitoringObservability

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