{"id":3360391,"url":"https://alion.io/job/mercado-libre-senior-software-engineer-11","title":"Senior Software 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":"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":["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":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-27T15:52:24Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-28T20:05:52Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Senior Software Engineer\n¡Haz historia en la democratización del comercio y de los servicios financieros, transformando la vida de millones de personas en América Latina con Mercado Libre!\nDiseña y escala plataformas de alta disponibilidad que procesan un alto volumen de transacciones, fortaleciendo la continuidad y confiabilidad de las operaciones para compradores, vendedores y usuarios.\nDesafíos:\nDiseñar y evolucionar componentes y servicios críticos con foco en desempeño y alta disponibilidad para el ecosistema de la compañía, considerando su escalabilidad y mantenibilidad.\n\nResolver problemas complejos en sistemas distribuidos y entornos cloud de alta carga, consultando, transformando y procesando datos con SQL y manteniendo flujos de datos con Dataflow.\n\nAplicar herramientas y modelos de inteligencia artificial, incluidos modelos propios, a lo largo del ciclo de ingeniería; validar sus resultados en el análisis, diseño, desarrollo, pruebas y automatización.\n\nParticipar en la definición y priorización del roadmap técnico y el backlog; impulsar la evolución de la arquitectura y los estándares de ingeniería con equipos de plataforma, usando señales de observabilidad, confiabilidad y desempeño.\n\nExperiencia y conocimientos:\nAprender con agilidad en base a desafíos, potenciándote con tecnología y GenAI.\n\nApasionarse por salir de la zona de confort, dar el máximo, superar los propios límites y emprender en un ambiente sano, alegre y divertido.\n\nDominar fundamentos de ingeniería de software para desarrollar soluciones de punta a punta en front end, back end y datos, utilizando SQL y Dataflow.\n\nDiseñar y evolucionar servicios y APIs con Go o Java, arquitectura REST y orientada a eventos, considerando escalabilidad, mantenibilidad y desempeño.\n\nAplicar principios de ingeniería de confiabilidad, observabilidad y automatización; asegurar pruebas unitarias, de integración, funcionales y de carga; usar inteligencia artificial de forma habitual y efectiva, validando sus resultados.\n\nConoce más sobre nuestra cultura y negocio en nuestro Career Site.\n¡Lo mejor está llegando!\nModelo de trabajo híbrido en Bogotá, Colombia.","description_format":"text","description_chars":2147,"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":[{"name":"Colombia","iso":"CO","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketplaces","Payment Processing & Gateways","Digital Banks & Neobanks"],"lifecycle":[{"event":"open","at":"2026-10-27T21:07:32Z"}],"visa":[],"liveness":{"score":40,"band":"fade","label":"Fading","p_open":1,"p_active":0.542,"p_room":1,"age_days":0,"expected_fill_days":36,"reasons":["conf:4","evergreen","velocity","win:early","comp:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/mercado-libre-senior-software-engineer-11","json_url":"https://alion.io/job/mercado-libre-senior-software-engineer-11.json","meta":{"generated_at":"2026-10-28T20:50:41Z","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":28852,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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-11"},{"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-11"},{"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-11"},{"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-11\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmercado-libre-senior-software-engineer-11"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3360391}},{"tool":"search_jobs","arguments":{"company":"mercadolibre.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3360391},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); 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