{"id":1552135,"url":"https://alion.io/job/mercado-libre-senior-software-engineer-ciberseguridad","title":"Senior Software Engineer - Ciberseguridad","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":85,"open_postings":70,"ghost_share":0.014,"stale_share":0.529,"repost_share":0.043,"time_to_fill_p50_days":36,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":46000,"max_usd":106000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2225},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-09-28T18:07:58Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-22T04:42:50Z","board_verified":true,"closed_at":null,"days_open":23,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":23},"description":"Senior Software Engineer - Ciberseguridad\nComo Senior 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, construir y evolucionar productos y plataformas de seguridad que reduzcan la exposición de los endpoints corporativos y protejan el ecosistema de desarrollo, incluyendo entornos aislados y reproducibles.\n\nTomar decisiones de arquitectura y participar en la definición del roadmap técnico, equilibrando seguridad, experiencia de usuario, escalabilidad, mantenibilidad y adopción de las soluciones.\n\nDiseñar e implementar controles sobre la ejecución de código, aplicaciones y artefactos, reduciendo el consumo desde fuentes no confiables y asegurando su trazabilidad, integridad y procedencia.\n\nDiseñar controles para agentes, conectores, skills, modelos y otros componentes de GenAI, y construir soluciones que automaticen la identificación de riesgos, detección, triage y aplicación de controles.\n\nDesarrollar capacidades de observabilidad, inventario y detección sobre endpoints y entornos de desarrollo, definiendo métricas de adopción, cobertura y efectividad, y contribuyendo eventualmente al análisis y respuesta ante incidentes.\n\n¿Qué buscamos en vos?\nTener experiencia sólida en desarrollo de software, principalmente con Go y/o Python, integración mediante APIs REST y construcción u operación de productos o plataformas de gran alcance.\n\nContar con capacidad para tomar decisiones de arquitectura, analizar trade-offs y conducir iniciativas técnicas complejas desde su definición hasta su adopción en producción.\n\nTener experiencia trabajando transversalmente con otros equipos, construyendo acuerdos técnicos e impulsando la adopción de plataformas, estándares o controles.\n\nContar con conocimientos de seguridad aplicados a plataformas de desarrollo, endpoints o software supply chain, e interés por analizar nuevas superficies de ataque introducidas por agentes, conectores, modelos, plugins y extensiones de IDE.\n\nTener experiencia o interés en entornos de desarrollo, plataformas tecnológicas o seguridad, con disposición para aprender y trabajar sobre tecnologías emergentes.\n\n¿Te animás a dejar huella en la tecnología de América Latina?\n¡Postulate y sumate a nuestro propósito!\nModalidad de trabajo híbrida. Site Buenos Aires, Argentina.","description_format":"text","description_chars":2708,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Spanish","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","Payment Processing & Gateways","Consumer Loans & Pawnshops"],"lifecycle":[{"event":"open","at":"2026-10-01T00:37:04Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.581,"p_room":0.9,"age_days":23,"expected_fill_days":36,"reasons":["conf:1","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/mercado-libre-senior-software-engineer-ciberseguridad","json_url":"https://alion.io/job/mercado-libre-senior-software-engineer-ciberseguridad.json","meta":{"generated_at":"2026-10-22T06:46:01Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1886,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":237},"rest":"https://alion.io/mcp/rest/get_company?id=237"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmercado-libre-senior-software-engineer-ciberseguridad"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmercado-libre-senior-software-engineer-ciberseguridad"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmercado-libre-senior-software-engineer-ciberseguridad"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mercado-libre-senior-software-engineer-ciberseguridad\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmercado-libre-senior-software-engineer-ciberseguridad"}]}