{"id":1962059,"url":"https://alion.io/job/mercado-libre-sr-software-engineer-genai-security-3","title":"Sr Software Engineer | GenAI Security","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":86,"open_postings":50,"ghost_share":0.02,"stale_share":0.46,"repost_share":0.06,"time_to_fill_p50_days":37,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":178000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6426},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Go","optional":false},{"name":"Java","optional":false}],"status":"live","first_seen_at":"2026-09-01T18:30:09Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-12T14:50:44Z","board_verified":true,"closed_at":null,"days_open":40,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":40},"description":"Sr Software Engineer GenAI Security\nComo Sr Software 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:\nDiseñar y desarrollar servicios backend de alta escala en Java o Go aplicando arquitectura limpia, arquitectura hexagonal y principios de diseño orientado a objetos.\n\nConstruir soluciones distribuidas y asíncronas mediante eventos, colas, procesamiento masivo de datos y tareas programadas.\n\nImplementar estrategias de observabilidad y telemetría para operar sistemas críticos en producción.\n\nParticipar en la construcción de soluciones utilizando modelos de lenguaje de gran tamaño, sistemas agénticos, protocolo de contexto de modelo y herramientas de orquestación.\n\nElaborar solicitudes de comentarios técnicas y contribuir activamente en decisiones de arquitectura y hoja de ruta.\n\nLiderar iniciativas técnicas e impulsar acuerdos con múltiples equipos.\n\n¿Qué buscamos en vos?\nAcreditar trayectoria sólida en desarrollo backend utilizando lenguajes de programación como Java o Go.\n\nDominar el diseño de arquitecturas distribuidas, escalables y resilientes, junto con la implementación de herramientas de observabilidad, monitoreo y telemetría.\n\nPoseer experiencia en el desarrollo de soluciones con modelos de lenguaje de gran tamaño, inteligencia artificial generativa, sistemas agénticos, habilidades y marcos de orquestación.\n\nContar con experiencia en la construcción de plataformas y componentes de software utilizados por múltiples equipos de ingeniería.\n\nDemostrar conocimientos e interés en seguridad, gobernanza y operación de ecosistemas de inteligencia artificial.\n\n¿Te animás a dejar huella en la tecnología de América Latina? ¡Postulate y sumate a nuestro propósito!\nModalidad de trabajo híbrida. 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