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# LLM Engineer / LLM Application Engineer / Senior Software Engineer - KI-Plattform & LLM-Integration - Vollzeit

- **Company:** KI Group
- **Location:** Bad Homburg vor der Höhe, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Encodings, Python (Programming Language), Node.Js, TypeScript, Large Language Models, Backend, Information Technology, Api Design
- **Published:** July 11, 2026
- **Apply:** https://www.adzuna.de/details/5795444159

## About the Role

* Absolventen oder Studierende der Informatik, Wirtschaftsinformatik, Data Science oder eines verwandten Studiengangs
 * Erfahrung mit
 + RAG-Pipelines in Produktion - Vector DB, Retrieval, Chunking, Evaluation/Grounding
 + LLM-Frameworks - LangChain / LlamaIndex (o. ä.) für Orchestrierung, Chains/Agents, Tool-Use
 + LLM-Application-Engineering - Prompt-/Context-Engineering, Function-Calling, Agenten-Architekturen
 + Backend - Node/Python (o. ä.), saubere Services, Async, API-Design, Datenmodellierung
 + Frontend - React / TypeScript, baut nutzbare Oberflächen für die KI-Features selbst
 + Daten-Pipelines - Ingestion, Normalisierung, Embeddings über strukturierte und halb-strukturierte Quellen
 + MCP (Model Context Protocol)
 * Leidenschaftlicher Umgang mit KI-nativen Schnittstellen

## Description

In der Rolle als LLM Application Engineer / Senior Software Engineer übernimmst Du eine zentrale Aufgabe in unserem Dev-Team. Du baust die gemeinsame LLM-Plattform eigenverantwortlich auf - vom PoC bis zur Produktion - und verantwortest zwei Tracks: interne Tools und Kundenprodukte. Dein Schwerpunkt liegt auf dem Anwendungsbau über Foundation Models: RAG, Agents, LangChain/LlamaIndex, Orchestrierung, Prompt-Engineering und Produktintegration.

 * Aufbau der LLM-Plattform-Schicht: Retrieval-Backend, Embedding-Pipeline, API-Design
 * Integration von LLM-APIs (OpenAI, Anthropic, Mistral u. a.) in interne und Kundensysteme
 * Entwicklung von KI-Features: Conversational Analyst, semantische Suche, intelligenter Alert-Feed
 * Implementierung von Agenten-Architekturen und MCP-Schnittstellen für Enterprise-Anbindung
 * Mitarbeit bei der Entwicklung von Prototypen und Proof-of-Concepts für neue KI-Anwendungsfälle


## Related Videos

- [Three years of putting LLMs into Software - Lessons learned](https://www.wearedevelopers.com/videos/1508-three-years-of-putting-llms-into-software-lessons-learned)
- [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [A Brief History of Data Storage](https://www.wearedevelopers.com/videos/974-a-brief-history-of-data-storage)
- [Building AI Applications with LangChain and Node.js](https://www.wearedevelopers.com/videos/1512-building-ai-applications-with-langchain-and-node-js)
- [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano)

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