Sr Software Engineer - Platform Experience

MercadoLibre
Florianópolis
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Mentoria","Colaboração","Aprendizado contínuo","Observabilidade"]

At the Platform Experience team, build and scale secure, high-impact frontend experiences that improve internal platform capabilities across squads. Participate in architecture decisions, evaluate technical trade-offs, and support backend collaboration when needed. Own software quality through unit/integration testing, observability, production monitoring, and managing technical debt. Use generative AI tools daily for development, debugging, code review, and automation, while mentoring teammates and sharing knowledge.

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FursaFursa
MercadoLibre
MercadoLibre
4 days ago

Sr Software Engineer - Platform Experience

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 47 minutes agoStatus: Live

Job Summary

At the Platform Experience team, build and scale secure, high-impact frontend experiences that improve internal platform capabilities across squads. Participate in architecture decisions, evaluate technical trade-offs, and support backend collaboration when needed. Own software quality through unit/integration testing, observability, production monitoring, and managing technical debt. Use generative AI tools daily for development, debugging, code review, and automation, while mentoring teammates and sharing knowledge.
Location: Florianópolis
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Work as part of the Platform Experience team with a broad view of internal platform development and cross-team impact.
  • •Design and develop high-quality frontend experiences and participate in architecture definitions and technical trade-offs.
  • •Collaborate with backend development when needed, as squads are mixed and operate across frontend and backend.
  • •Maintain high software quality through testing, observability, production monitoring, and managing technical debt.
  • •Use generative AI tools daily for development workflow, debugging, code review, and documentation, including agents/automation for repetitive tasks.

Key Requirements

  • •Solid experience in frontend development with JavaScript, TypeScript, and React.
  • •Knowledge of Node.js, Python, or Go is a plus.
  • •Experience with unit and integration tests for frontend, ideally with Jest.
  • •Experience with cloud services.
  • •Experience with observability and application monitoring using DataDog or similar tools.
Experience:Platform engineering
Skills:MentoriaColaboraçãoAprendizado contínuoObservabilidade
Tech Stack:JavaScriptTypeScriptReactNode.jsPythonGoJestDataDogGenerative AICloud services

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