Senior Backend Engineer – Mobile, AI

🔥 0 minutes ago

🗣️🇪🇸 Spanish Required

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Logo of Retorna

Retorna

51 - 200 employees

Founded 2019

💳 Fintech

👥 B2C

Fintech • B2C

Retorna is a digital remittance platform that enables people in Latin America and Europe to send money quickly and securely to relatives and third parties in countries such as Venezuela, Colombia, Peru, Argentina, Spain and the United States. The company operates via a mobile app (and web platform), emphasizes instant transfers, competitive exchange rates, identity verification and anti-fraud monitoring, and offers 24/7 digital support. Retorna is a fully digital, regulated service focused on low-cost international money transfers for individual customers.

📋 Description

• Diseñar y mantener la capa BFF que alimenta nuestras apps móviles • Orquestar llamadas a microservicios, optimizar payloads, manejar caching y autenticación • Integrar asistentes conversacionales con RAG sobre datos financieros del cliente • Construir agentes autónomos para onboarding y resolución de problemas sin fricción • Diseñar personalización hiper-contextual en tiempo real

🎯 Requirements

• Experiencia sólida en Node.js/TypeScript, GraphQL/REST, AWS • Haber puesto pipelines RAG en producción (embeddings, vector stores, chunking) • Dominar orquestación de agentes: tool calling, function calling, chains • Manejo de frameworks como LangChain, LlamaIndex o similares • Experiencia con modelos Anthropic/OpenAI en producción • Entender que en fintech la latencia y la precisión no son negociables

🏖️ Benefits

• Trabajo 100% remoto • Ser parte del equipo que construye el core financiero de una fintech en crecimiento • Días Libres ilimitados • Feriados de tu ubicación

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