{"id":611346,"url":"https://alion.io/job/mercado-libre-senior-software-engineer","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":"B","score":84,"open_postings":56,"ghost_share":0.018,"stale_share":0.571,"repost_share":0.054,"time_to_fill_p50_days":37,"computed_at":"2026-10-16T05:45:00Z"}},"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":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":55000,"max_usd":128000,"period":"year","method":"role_seniority_country_cell","sample_n":8},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-08-12T00:04:05Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-16T19:43:17Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":65},"description":"Como 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, desarrollar y evolucionar servicios y herramientas que potencien el proceso de release a gran escala.\n\nConstruir soluciones de automatización para la validación, promoción, despliegue y recuperación de releases.\n\nOptimizar la experiencia de desarrollo reduciendo fricciones en el ciclo de vida del software.\n\nDefinir e implementar mecanismos de observabilidad que permitan monitorear el estado de los builds y detectar problemas.\n\nDiseñar soluciones resilientes y escalables de alta disponibilidad para operar sobre la arquitectura crítica.\n\n¿Qué buscamos en vos?\nContar con experiencia en desarrollo backend o ingeniería de plataformas utilizando lenguajes como Java, Go, Rust o Python.\n\nTener experiencia en el diseño y desarrollo de servicios distribuidos, microservicios y APIs.\n\nPoseer conocimientos técnicos en cultura DevOps, automatización de sistemas e infraestructura.\n\nTener experiencia en observabilidad mediante el uso de métricas, logs, trazas y herramientas de diagnóstico.\n\nPoseer conocimientos en estrategias de versionado de código, gestión de dependencias y prácticas de integración continua.\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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