Senior AI Engineer

MercadoLibre
Buenos Aires, Bogotá
Workplace: HybridFull timeFunction: Data Science & Machine LearningSkills: []

Design and scale conversational AI systems that solve high-impact problems for e-commerce and financial services in Latin America. Own prompt engineering and context handling, integrate and deploy state-of-the-art language models, and build data pipelines to monitor and improve response quality. Lead the full agent lifecycle from requirements to product delivery, using large-scale data and knowledge bases, plus observability and ontology design to ensure consistent metrics and performance.

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FursaFursa
MercadoLibre
MercadoLibre
6 days ago

Senior AI Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Design and scale conversational AI systems that solve high-impact problems for e-commerce and financial services in Latin America. Own prompt engineering and context handling, integrate and deploy state-of-the-art language models, and build data pipelines to monitor and improve response quality. Lead the full agent lifecycle from requirements to product delivery, using large-scale data and knowledge bases, plus observability and ontology design to ensure consistent metrics and performance.
Location: Buenos Aires, Bogotá
Workplace: Hybrid
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Lead the design and implementation of robust prompt engineering and context management for accurate conversational agents.
  • •Integrate and deploy state-of-the-art language models with optimal operational performance.
  • •Build and monitor data pipelines to analyze conversational interactions and ensure continuous response quality.
  • •Manage the full agent lifecycle from requirements gathering to delivering a functional product.
  • •Consult and use massive databases to power agent knowledge and ensure consistent metric results.

Key Requirements

  • •Experience in generative AI and RAG architectures.
  • •Hands-on with frameworks such as LangChain or LlamaIndex.
  • •Knowledge of relational and large-scale databases such as BigQuery and MySQL.
  • •Experience with vector databases and graph-oriented databases.
  • •Experience deploying scalable cloud solutions using Google ADK, plus orchestration and LLM observability/monitoring tools.
Experience:Generative AIRAGE-commerceFinancial servicesLatin America
Tech Stack:LangChainLlamaIndexRAGPrompt EngineeringBigQueryMySQLVector databasesGraph databasesGoogle ADKN8nAirflowObservabilityOntologies

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