Logo lab25 GmbH

Senior AI Engineer - Agent & AI Systems

Job

  • Level
    Senior
  • Job Field
    Software, Data
  • Employment Type
    Part Time/Full Time
  • Contract Type
    Permanent employment
  • Location
    Münster (Hessen)
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you develop modular agent systems with explainable architectures, ensure reproducible results, and collaborate at the tech-customer interface while driving innovations.

    Job Technologies

    Your role in the team

    • We are expanding our Data & AI Chapter and are looking for someone who not only builds cognitive systems but also thinks them through thoroughly.
    • As a Senior AI Engineer, you develop agent architectures that work in real corporate contexts: modular, explainable, compliance-proof, and directly aligned with business objectives.
    • You do not work in an ivory tower.
    • You are close to the projects, close to the clients, close to the chapter, and you know how to build AI systems in a way that they are not discarded after three months.
    • You design and build modular agent systems with clear roles, memory structures, tool use, and decision logic - from architectural decisions to production deployment.
    • You systematically design context windows, tool chains, and multi-stage inference pipelines for reproducible, quality-assured results — from data preparation to structured output.
    • You build retrieval systems for internal knowledge bases, select the appropriate architecture (chunking, embedding, re-ranking), and make corporate knowledge accessible for agents.
    • You establish quality and safety mechanisms - bias tests, accuracy evaluation, guardrails - and ensure that systems remain controlled and transparent.
    • You develop reusable agent patterns (Retriever, Planner, Evaluator, Critic) and actively contribute to the Chapter Knowledge.
    • You work directly on projects, assume technical responsibility, and serve as the point of contact for the technical aspects with the client.
    • You contribute to collaborative projects with universities and research institutions — from technical conception to implementation — ensuring that new insights find their way into practical application.
    • Those interested can also participate in funded research projects that we set up and carry out together with university and university of applied sciences partners.

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    Our expectations of you

    Qualifications

    • You have not only prototyped agent systems but also brought them into productive operation and know exactly where the real issues are.
    • You understand Context Engineering and AI Pipelines as disciplines: structured, versioned, evaluable, and you know how context quality determines system performance.
    • You develop AI-enabled tools: Claude Code, Codex, and comparable tools are an integral part of your engineering workflow — not toys, but levers.
    • You can make technical complexity understandable in client conversations and justify decisions.
    • You are fluent in German and English.

    Experience

    • 5+ years of experience in software development or AI/ML, including proven, intensive engagement with LLMs, agents, or RAG architectures, preferably also from the fields of Applied Research, open-source projects, or the Databricks/Azure stack.
    • Solid Python skills, experience with LLM frameworks (e.g., LangChain, LlamaIndex, CrewAI or similar), as well as vector and graph databases (e.g., Qdrant, Weaviate, Neo4j).
    • Experience with deployment (FastAPI, Docker, Cloud) is a plus; hunger for evaluation & safety is not just a nice-to-have, but a fundamental attitude.

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    What we offer

    • An experienced, multidisciplinary team in which you work closely with designers and engineers, among others.
    • Flat hierarchies and short decision-making paths to enable good ideas to be implemented quickly.
    • The opportunity to actively influence technical decisions and take responsibility for solutions.
    • Work with modern technologies and a stable infrastructure.
    • Space for development, learning, and experimenting with new technologies - especially in the field of AI and modern software development.
    • A modern workplace at the [whyit] campus and the opportunity to work partly from home.
    • Competitive compensation including benefits as well as work equipment of your choice (MacOS or Linux).

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    Benefits

    Work-Life-Integration

    Topics that you deal with on the job

    Job Locations

    • Location Münster (Hessen)

      64839 Hessen

      Germany

    This is your employer

    lab25 GmbH

    lab25 GmbH

    lab25 GmbH, based in Münster, provides transformation consulting and supports companies in change processes. Its focus is on AI-driven innovations and strategic orientations to assist organizations in developing and implementing their goals. The company acts as a catalyst for transformations and develops innovative processes for idea validation and organizational empowerment.

    Description

  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Consulting
  • Logo lab25 GmbH

    Senior AI Engineer - Agent & AI Systems

    Location
    Münster (Hessen)
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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