{"id":779051,"url":"https://alion.io/job/mercado-libre-senior-ai-engineer","title":"AI Engineer","company":{"id":237,"name":"Mercado Libre","domain":"mercadolibre.com","url":"https://alion.io/company/mercado-libre","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"A","score":87,"open_postings":60,"ghost_share":0.017,"stale_share":0.433,"repost_share":0.067,"time_to_fill_p50_days":36,"computed_at":"2026-10-28T05:59:10Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bogotá, Colombia"],"countries":["CO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Google ADK","optional":false},{"name":"Google BigQuery","optional":false},{"name":"LangChain","optional":false},{"name":"LlamaIndex","optional":false},{"name":"MySQL","optional":false},{"name":"n8n","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"RAG","optional":false}],"status":"live","first_seen_at":"2026-08-21T15:43:29Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-28T06:35:14Z","board_verified":true,"closed_at":null,"days_open":67,"trust":{"level":"ok","repost_count":2,"flags":["repost"],"days_open":67},"description":"Como Sr. AI 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.\nImagináte emprendiendo proyectos desafiantes, dinámicos e innovadores y siendo responsable de:\nLiderar el diseño e implementación de estrategias robustas de Prompt Engineering y manejo de contexto para garantizar la precisión del agente conversacional.\n\nIntegrar e implementar modelos de lenguaje de última generación, asegurando su correcto despliegue y máximo rendimiento operativo.\n\nConstruir y monitorear pipelines de datos específicos para analizar las interacciones conversacionales y asegurar la calidad continua de las respuestas.\n\nGestionar el ciclo de vida completo del agente, desde la toma de requerimientos hasta la entrega de un producto funcional.\n\nConsultar y explotar bases de datos masivas para alimentar el conocimiento del agente y garantizar la consistencia de las métricas.\n\n¿Qué buscamos en vos?\nTener experiencia en IA Generativa, arquitecturas RAG y frameworks como LangChain o LlamaIndex.\n\nPoseer conocimientos en el manejo de bases de datos relacionales y masivas como BigQuery y MySQL, así como en bases vectoriales y orientadas a grafos.\n\nContar con experiencia en servicios de nube y Google ADK para el despliegue de soluciones escalables.\n\nTener conocimientos en herramientas de orquestación como n8n o Airflow y entornos de desarrollo modernos.\n\nPoseer experiencia en el uso de herramientas de monitoreo de interacción, pipelines de observabilidad para LLMs y diseño de ontologías.\n\n¿Te animás a dejar huella en la tecnología de América Latina?\n¡Postulate y sumate a nuestro propósito!\nModalidad de trabajo: Híbrida. 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