{"id":3033006,"url":"https://alion.io/job/redbee-senior-fullstack-developer-java-react-buenos-aires","title":"Senior Fullstack Developer | Java + React (Buenos Aires)","company":{"id":5768,"name":"Redbee","domain":"redbee.com","url":"https://alion.io/company/redbee","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":92,"open_postings":3,"ghost_share":0,"stale_share":0.333,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","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":49000,"max_usd":110000,"period":"year","method":"role_seniority_country_cell","sample_n":9},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ArgoCD","optional":false},{"name":"AWS","optional":false},{"name":"Docker","optional":false},{"name":"GitLab","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Swagger","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-21T19:28:22Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-24T13:58:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"En redbee estamos buscando personas Senior Fullstack Developer para sumarse a proyectos diferentes, con desafíos técnicos vinculados a alta disponibilidad, APIs, procesos batch y medios de pago.\nBuscamos personas con experiencia sólida en Java y Spring Boot en backend y React en el frontend, que disfruten trabajar con soluciones robustas, escalables y seguras. Algunos de los desafíos que vas a encontrar incluyen llevar APIs a esquemas de disponibilidad 24x7, trabajando sobre resiliencia, escalabilidad, observabilidad y operación en producción; y también desarrollar APIs y procesos batch que requieren altos estándares de seguridad y procesamiento de archivos, dentro de un contexto de medios de pago.\n¿Qué vas a hacer?\nVas a trabajar en proyectos donde el backend tiene un rol central, participando en el desarrollo y evolución de soluciones robustas, escalables y seguras.\nAlgunos de los desafíos incluyen llevar APIs a esquemas de disponibilidad 24x7, trabajando sobre resiliencia, escalabilidad, observabilidad y operación en producción; y desarrollar APIs y procesos batch que requieren altos estándares de seguridad y procesamiento de archivos, dentro de un contexto de medios de pago.\nTecnologías\nJava 21 · Spring Boot 3 · React · Kafka · Kubernetes · Docker · AWS · GitLab · PostgreSQL · SQL Server · MySQL · APIs REST · Swagger · Spring Batch · mTLS · OAuth2 · ArgoCD\nTambién valoramos experiencia en arquitectura hexagonal, testing, observabilidad y experiencia previa en medios de pago o tarjetas.\nRequisitos\n+7 años de experiencia en desarrollo.\nExperiencia con Java 21 y Spring Boot 3.\nExperiencia desarrollando APIs REST.\nExperiencia con Kafka, Kubernetes y Docker.\nConocimientos de AWS y GitLab.\nExperiencia con bases de datos SQL.\nExperiencia con unit tests y tests de integración.\nDisponibilidad para trabajar 1 día por semana de manera presencial en Parque Patricios, CABA.","description_format":"text","description_chars":1897,"description_truncated":false,"requirements":{"experience_years_min":7,"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":"Argentina","iso":"AR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Mobile App Development Services","Web Development Services","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-21T20:48:03Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":34,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/redbee-senior-fullstack-developer-java-react-buenos-aires","json_url":"https://alion.io/job/redbee-senior-fullstack-developer-java-react-buenos-aires.json","meta":{"generated_at":"2026-10-24T15:08:01Z","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":21599,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":5768},"rest":"https://alion.io/mcp/rest/get_company?id=5768"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fredbee-senior-fullstack-developer-java-react-buenos-aires"},{"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%2Fredbee-senior-fullstack-developer-java-react-buenos-aires"},{"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%2Fredbee-senior-fullstack-developer-java-react-buenos-aires"},{"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/redbee-senior-fullstack-developer-java-react-buenos-aires\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fredbee-senior-fullstack-developer-java-react-buenos-aires"}]}