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Desarrollador(a) Backend Node.js / Microservicios (Remoto – Colombia)

Work from home Full-time role Hiring

En Keppri buscamos un Desarrollador Backend con más de 4 años de experiencia en el sector bancario, fintech o financiero, especializado en arquitecturas de microservicios en la nube. Diseñarás y operarás servicios escalables, seguros y de alta disponibilidad, integrados con los sistemas core del negocio. Responsabilidades Diseñar y construir microservicios en Node.js (Express y NestJS), con foco en escalabilidad horizontal y resiliencia. Modelar y operar datos en MongoDB (modelado, índices, optimización). Implementar autenticación y seguridad (JWT, bcrypt, gestión segura de secretos). Desarrollar integraciones con sistemas externos (core bancario vía SOAP, pagos PSE, push FCM, SMS, Active Directory/LDAP). Evolucionar la arquitectura hacia alta disponibilidad, observabilidad y despliegues automatizados en la nube. Requisitos +4 años de experiencia en desarrollo backend. Node.js (v20+) y TypeScript. Arquitectura de microservicios (diseño, comunicación entre servicios, API Gateway). Express.js y NestJS; diseño y consumo de APIs REST; WebSocket. MongoDB y Mongoose. Nube AWS (EC2, S3, CloudFront, Route53, VPC, Security Groups); contenedores con Docker y ECS/EKS. Git y CI/CD. Conocimiento de frameworks de desarrollo asistido por IA y vibe coding. Deseables Bases de datos gestionadas (DocumentDB / MongoDB Atlas), AWS WAF y Secrets Manager, observabilidad (CloudWatch / OpenTelemetry). Infraestructura como código (Terraform / CloudFormation); experiencia integrando con core bancario.

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