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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

AI Backend Engineer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for a highly skilled AI Backend Engineer with hands-on experience in building next-generation AI applications using agentic AI, generative AI, conversational AI, and voice AI technologies.


Responsibilities:

  • Design and develop scalable AI backend systems and intelligent agents.
  • Build multi-agent workflows using LangGraph and LangChain.
  • Develop voice and conversational AI applications integrated with LLMs.
  • Implement RAG pipelines and AI orchestration frameworks.
  • Optimise AI model interactions, latency, and backend performance.
  • Collaborate with product and engineering teams to deliver AI-driven solutions.


Requirements:

  • Key Skills Required: Agentic AI Development, Generative AI Applications, Conversational AI and Voice Bots, LLM Integration and Fine-Tuning, LangChain and LangGraph, RAG (Retrieval-Augmented Generation), AI Workflow Orchestration, Python and FastAPI/Flask, Vector Databases (Pinecone, Weaviate, ChromaDB and FAISS), Prompt Engineering, OpenAI/Claude/Gemini APIs, REST APIs and Backend Architecture, and Cloud Platforms (AWS/GCP/Azure).


Preferred Qualifications:

  • Experience with autonomous AI agents and multi-agent systems.
  • Knowledge of speech-to-text and text-to-speech technologies.
  • Familiarity with AI observability, evaluation, and monitoring tools.
  • Strong understanding of backend system design and microservices.

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