Backend / Fullstack Engineer, AI-first
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Job Description
Senior Backend/Fullstack Engineer at Retorna building B2B systems with AI-first approach. Focused on complex integrations and financial transaction management.
Responsibilities:
- Construir y evolucionar las herramientas y servicios del dominio B2B: gestión de transacciones, conciliación entre contrapartes, soporte a partners
- Diseñar y operar workflows automatizados — incluyendo agentes que resuelvan flujos B2B end-to-end donde antes hacía falta intervención manual
- Trabajar el stack de punta a punta: backend robusto, integraciones, y la capa de producto interno que lo sostiene
- Integrar con Salesforce y los flujos de backoffice existentes
- Automatizar los procesos operativos que hoy frenan el crecimiento del canal B2B
- Refactorear y endurecer legacy con el mismo cuidado que el código nuevo
Requirements:
- Experiencia sólida como **backend o fullstack senior** en **Node.js / TypeScript** y **AWS**
- Experiencia construyendo en dominios **B2B** o de integraciones complejas entre sistemas/contrapartes
- Trabajar **AI-first**: usar agentes y herramientas de IA en tu flujo de desarrollo como estándar, no como excepción
- Criterio de ingeniería en sistemas con plata real: idempotencia, consistencia eventual, reconciliación, resiliencia
- Saber cuándo automatizar con un agente y cuándo no — y diseñar los guardrails para cuando el modelo se equivoca
Benefits:
- 100% remoto en LATAM · overlap horario con Chile
- Problemas técnicos de verdad: consistencia eventual, idempotencia, reconciliación, resiliencia
- Un equipo que entiende que **velocidad sin calidad en fintech es un riesgo existencial**
- Feriados de tu ubicación + política de descanso flexible
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