{"id":3880942,"url":"https://alion.io/job/mercado-libre-sr-software-engineer-customer-experience","title":"SR Software Engineer – Customer Experience","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":77,"ghost_share":0.026,"stale_share":0.39,"repost_share":0.104,"time_to_fill_p50_days":37,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Backend","role_family":"Backend","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":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Go","optional":false}],"status":"live","first_seen_at":"2026-11-06T13:46:50Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-08T04:18:42Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Descripción breve - externa\n¡Hace historia en la democratización del comercio y de los servicios financieros, transformando la vida de millones de personas en América Latina con Mercado Libre!\nConstruimos soluciones para que las personas encuentren ayuda relevante y resuelvan sus necesidades de forma simple y autónoma en Mercado Libre y Mercado Pago. Evolucionamos los portales de ayuda y los servicios que conectan contexto, contenido y opciones de atención, mejorando la resolución y la eficiencia del servicio.\nDesafíos:\nDiseñar y desarrollar servicios y APIs para las experiencias de ayuda y autogestión, asegurando escalabilidad, disponibilidad y mantenibilidad.\n\nEvolucionar las capacidades de búsqueda, personalización y enrutamiento hacia soluciones de ayuda y canales de atención.\n\nLlevar soluciones desde la definición del problema hasta su despliegue y operación, colaborando con Producto, UX y otros equipos de ingeniería.\n\nContribuir en componentes frontend e integraciones del portal de ayuda cuando la solución lo requiera.\n\nTrabajar con especificaciones, criterios de aceptación y asistentes de código con IA, validando la calidad y seguridad de las soluciones.\n\nTomar decisiones de arquitectura, compartir conocimiento y utilizar métricas técnicas y de negocio para evaluar resultados y orientar mejoras.\n\nExperiencia y 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