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# Backend-Entwickler / Backend Developer - JavaScript / TypeScript / NestJS

- **Company:** RUBINLAKE GmbH
- **Location:** Frankfurt am Main, Germany (Remote available)
- **Experience:** Experienced
- **Salary:** €60,000.0 - €75,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Amazon Web Services, Microsoft Azure, Databases, Continuous Integration, Microsoft Office, MongoDB, Node.Js, NoSQL, RabbitMQ, Redis, TypeScript, Cloud Platform System, Backend, Git, Event Driven Architecture, NestJS, Restful APIs, Docker
- **Published:** July 9, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=cb6acd16cd07d19d

## About the Role

* 2-5 Jahre Berufserfahrung in der Backend-Entwicklung
 * Fundierte Kenntnisse in TypeScript und Node.js
 * Erfahrung mit REST APIs und mindestens einem Node.js-Framework (NestJS, Express, Fastify)
 * Sicherer Umgang mit MongoDB oder vergleichbaren NoSQL-Datenbanken
 * Erfahrung mit Git, CI/CD und agilen Entwicklungsprozessen
 * Gute Deutsch- und Englischkenntnisse

Nice-to-have

 * Erfahrung mit NestJS im Produktivbetrieb
 * Kenntnisse in Cloud-Plattformen (Azure, AWS)
 * Erfahrung mit Message Queues (Redis, RabbitMQ, BullMQ)
 * Verständnis von Event-driven Architecture
 * Erfahrung mit Docker und Container-Orchestrierung

## Description

* Entwicklung und Architektur von REST APIs mit NestJS und TypeScript
 * Design und Optimierung von MongoDB-Datenmodellen und Queries
 * Implementierung von Hintergrund-Jobs, Queues und asynchroner Verarbeitung
 * Performance-Optimierung und Skalierung bestehender Systeme
 * Technische Konzeption und Dokumentation neuer Features
 * Code Reviews und Mentoring von Junior-Entwickler:innen
 * Zusammenarbeit mit Product und anderen Engineering-Teams


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