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# Full-Stack Developer

- **Company:** KStA Digitale Medien
- **Location:** Köln, Germany
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Computer Programming, Continuous Integration, Github, Junit, Node.Js, TypeScript, Openapi, Tailwind, Large Language Models, Backend, Git, Fastapi, Vue.js, Pytest, Containerization, Integration Tests, Kubernetes, Front End Software Development, Restful APIs, Docker, Microservices
- **Published:** June 10, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=11c234e3a29127f6

## About the Role

* Du hast mehrjährige Praxis in der Backend-Entwicklung, z.B. mit TypeScript (FastAPI, Node, Deno) - inklusive Design von REST-APIs und OpenAPI-Specs.
 * Du konntest bereits Erfahrung mit Containerisierung & CI/CD (Docker, GitHub Actions) sowie GCP-Deployment auf Cloud Run oder Kubernetes sammeln.
 * Du verfügst über Routine in Unit- und Integration-Tests (JUnit, pytest, Jest o. ä.) und sicherer Umgang mit Git-Workflows.
 * Du ownst grundlegende Frontend-Skills in Vue 3 / Nuxt 3 und Tailwind CSS
 * Du besitzt Know-how in der Anbindung von LLM -/- KI-Services und Interesse daran, AI-gestützte Features produktiv auszurollen.
 * Du bist vertraut mit AI-Coding-Assistance und offen für neue Tools, die deine Entwicklungs- und Review-Prozesse effizienter machen.

## Description

* Du entwickelst und betreibst skalierbare Backend-APIs z.B. in TypeScript (FastAPI, Node, Deno)
 * Du integrierst LLM-Funktionen (OpenAI, Google, Antrophic) in Microservices / MCP-Servern und stellst so KI-Assists für Sales-, Billing- und Service-Anwendungen bereit.
 * Du automatisierst Builds, Tests und Releases mit GitHub Actions & Docker und bringst deine Container auf GCP Cloud Run oder Kubernetes produktiv.
 * Du implementierst REST-Schnittstellen, definierst Datenmodelle und sorgst mit Unit- & Integration-Tests für Code-Qualität.
 * Du baust Frontend-Modulein Vue 3 / Nuxt 3 + Tailwind CSS, um neue Backend-Features schnell erlebbar zu machen.
 * Du nutzt moderne AI-Coding-Tools (z. B. Copilot, Codeium), teilst Best Practices im Team und arbeitest eng mit Data-, ML- und Automation-Kollegen an End-to-End-Use-Cases.


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