{"id":3472944,"url":"https://alion.io/job/mercado-libre-senior-software-engineer-12","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":88,"open_postings":70,"ghost_share":0.014,"stale_share":0.386,"repost_share":0.1,"time_to_fill_p50_days":36,"computed_at":"2026-10-31T05:58:55Z"}},"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":["Santiago, Chile"],"countries":["CL"],"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":"Go","optional":false},{"name":"Istio","optional":false},{"name":"Java","optional":false}],"status":"live","first_seen_at":"2026-10-29T16:52:26Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-31T15:58:40Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"¡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!\nConstruye soluciones backend para autorizar el tráfico entre aplicaciones y aporta confiabilidad y observabilidad a una capacidad central para el negocio, facilitando el trabajo de los equipos que se integran con ella.\nDesafíos:\nDesarrollar y evolucionar soluciones backend para autorizar el tráfico entre aplicaciones, contribuyendo a la continuidad de una capacidad crítica utilizada por aplicaciones de Mercado Libre.\n\nImplementar cambios en aplicaciones desarrolladas principalmente en Java y también en Go, colaborando en integraciones con múltiples equipos de servicios y atendiendo las necesidades de autorización del tráfico.\n\nIntegrar herramientas de inteligencia artificial al proceso cotidiano de desarrollo y revisar sus resultados con criterio técnico, comprensión del dominio y atención a la calidad del código.\n\nAnalizar métricas de tráfico y señales de observabilidad para validar las actualizaciones, comprender su comportamiento y aportar información útil para la toma de decisiones técnicas.\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 los fundamentos del desarrollo backend, interpretar métricas de tráfico y aplicar prácticas de observabilidad para evaluar la calidad y el comportamiento de los cambios implementados.\n\nUtilizar inteligencia artificial como parte del desarrollo de software y revisar sus resultados con criterio técnico, conocimiento del dominio y atención a la calidad.\n\nContar con conocimientos de Istio es deseable.\n\nConoce más sobre nuestra cultura y negocio en nuestro Career Site (https://careers-meli.mercadolibre.com/).\n¡Lo mejor está llegando!\nModalidad híbrida.","description_format":"text","description_chars":1989,"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":"Chile","iso":"CL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketplaces","Payment Processing & Gateways","Digital Banks & Neobanks"],"lifecycle":[{"event":"open","at":"2026-10-29T17:52:22Z"}],"visa":[],"liveness":{"score":40,"band":"fade","label":"Fading","p_open":1,"p_active":0.542,"p_room":1,"age_days":1,"expected_fill_days":36,"reasons":["conf:1","evergreen","velocity","win:early","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/mercado-libre-senior-software-engineer-12","json_url":"https://alion.io/job/mercado-libre-senior-software-engineer-12.json","meta":{"generated_at":"2026-10-31T18:36:00Z","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":29110,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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-12"},{"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-12"},{"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-12"},{"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-12\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmercado-libre-senior-software-engineer-12"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3472944}},{"tool":"search_jobs","arguments":{"company":"mercadolibre.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3472944},"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); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}