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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

AI Backend Engineer (Agentic)

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for an AI Engineer who has hands-on experience in agentic AI, RAG pipelines, LLM orchestration, and scalable backend systems to help build next-generation AI products.


Responsibilities:

  • Design and build Agentic AI applications using LLMs, tools, and autonomous workflows.
  • Develop and optimize RAG (Retrieval Augmented Generation) pipelines for enterprise-scale knowledge retrieval.
  • Integrate vector databases, document ingestion systems, and observability frameworks.
  • Work on prompt engineering, context management, evaluation, and model optimization.
  • Build AI-powered products leveraging OpenAI/Anthropic/Gemini and open-source LLMs.
  • Collaborate with product, engineering, and data teams to deliver production-ready AI solutions.
  • Drive improvements in latency, accuracy, scalability, and AI infrastructure costs.


Requirements:

  • Engineers who have shipped AI features/products to production.
  • Strong problem-solving and system design skills.
  • Ability to work in a fast-paced product environment.
  • Passion for building innovative AI-first experiences.
  • 3-7 years of software engineering experience.
  • Strong proficiency in Python and/or Golang.
  • Hands-on experience with agentic AI frameworks, LangChain / LangGraph, RAG architecture, prompt engineering, LLM evaluation and optimization, vector databases (Pinecone, Weaviate, Chroma, etc. ), OpenAI, Anthropic, Gemini APIs, document processing, and knowledge retrieval.
  • Experience with PostgreSQL / NoSQL databases, REST APIs and microservices, cloud platforms (AWS / GCP / Azure), Docker, and Kubernetes.
  • Preferred Skills: AI observability tools (Langfuse, LangSmith, Helicone), multi-agent systems, fine-tuning and model customization, MCP (Model Context Protocol), and AI workflow automation.
  • Experience building enterprise AI products from scratch.

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