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Deutsche Telekom Digital Labs

Senior AI Engineer

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Description

We are looking for an experienced Senior AI Engineer with strong expertise in Agentic AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and AI Solution Architecture. This role requires someone who can design, architect, and build enterprise-scale AI applications while owning the end-to-end technical solution from ideation to production. The ideal candidate should have deep hands-on experience in building intelligent AI agents, designing scalable AI architectures, integrating enterprise systems, and delivering production-grade AI applications.


Responsibilities:

  • Design and architect enterprise-grade AI applications using Agentic AI and Large Language Models (LLMs).
  • Own the end-to-end technical design and architecture of AI-powered products.
  • Build intelligent multi-agent systems using modern AI orchestration frameworks.
  • Design and implement scalable RAG pipelines using vector databases and enterprise knowledge sources.
  • Develop AI workflows integrating APIs, databases, enterprise applications, and cloud services.
  • Collaborate with Product Managers, Engineering teams, and business stakeholders to translate business problems into AI solutions.
  • Optimise AI applications for scalability, latency, accuracy, security, and cost efficiency.
  • Define architecture standards, design patterns, and engineering best practices for AI platforms.
  • Mentor engineers and provide technical leadership across AI initiatives.
  • Stay updated with emerging AI technologies and evaluate their adoption within the organisation.


Requirements:

  • 8+ years of overall software engineering experience.
  • Strong hands-on experience in Agentic AI and enterprise AI application development.
  • Proven experience designing and architecting production-grade AI solutions.
  • Expertise with Large Language Models (OpenAI, Claude, Gemini, Llama, or similar).
  • Strong experience building Retrieval-Augmented Generation (RAG) applications.
  • Hands-on experience with AI orchestration frameworks such as LangGraph, CrewAI, AutoGen, OpenAI Agents SDK, LlamaIndex, or similar.
  • Strong proficiency in Python.
  • Experience with vector databases such as Pinecone, Weaviate, Chroma, FAISS, Milvus, or similar.
  • Experience deploying AI applications on AWS, Azure, or GCP.
  • Strong understanding of REST APIs, Microservices, Docker, Kubernetes, and cloud-native architectures.
  • Excellent problem-solving, communication, and stakeholder management skills.


Preferred Skills:

  • AI Architecture and Solution Design.
  • Prompt Engineering and AI Workflow Design.
  • LLM Evaluation and Observability.
  • AI Security and Governance.
  • MLOps and CI/CD for AI applications.
  • Knowledge Graphs and Semantic Search.
  • Experience building enterprise-scale multi-agent AI systems.

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