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# Senior Software Engineer

- **Company:** planni GmbH
- **Location:** Frankfurt am Main, Germany
- **Experience:** Expert
- **Salary:** €80,000.0 - €120,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Continuous Integration, Github, PostgreSQL, Node.Js, Redis, Swagger, TypeScript, Openapi, AWS Cdk, Amazon ElastiCache, Caching, Backend, Restful APIs, Docker, Microservices
- **Published:** September 23, 2026
- **Apply:** https://www.adzuna.de/details/5893160509

## About the Role

* 3 bis 8 Jahre Berufserfahrung in der Backend-Entwicklung
 * Fundierte Kenntnisse in Node.js (24+) mit Fastify und Platformatic (TypeScript)
 * Erfahrung mit PostgreSQL und Prisma ORM
 * Kenntnisse in Redis und BullMQ (Queues und Caching)
 * Verständnis von Microservices- und Multi-Tenant-Architekturen
 * Praxiserfahrung mit AWS (ECS, ElastiCache, SES, S3 etc.), Docker und AWS CDK
 * Erfahrung mit CI/CD via GitHub Actions
 * Sicherer Umgang mit REST APIs und Dokumentation via OpenAPI/Swagger
 * Kenntnisse im Umgang mit typisierten API-Clients (Massimo) von Vorteil
 * Deutsch & Englisch verhandlungssicher

Was dich auszeichnet

 * Du arbeitest eigenverantwortlich, strukturiert und lösungsorientiert
 * Du bringst eine Wachstumsmentalität mit und bleibst neugierig auf neue Technologien
 * Du bist ein echter Teamplayer, der Vertrauen aufbaut und kollegial zusammenarbeitet
 * Du freust dich darauf, vor Ort in Frankfurt Teil einer starken Teamkultur zu sein



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