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Christian LimbergCL

Christian Limberg

AI Engineer and Consultant, PhD

700 €/Tag
Berlin, DE
8-15 Jahre

Durchschnittliche Reaktionszeit: 1h

Über Christian

Dr. Christian Limberg

AI Engineer & Consultant | Generative AI Specialist | Backend-Focused Full-Stack Developer

With over 8 years of cutting-edge research and hands-on expertise in AI, Machine Learning, and Computer Vision, I specialize in building transformative, scalable AI solutions that drive business impact. Holding a PhD in Explainable AI (Magna cum Laude), I've led groundbreaking projects in vision architectures for drones, Transformer-based audio synthesis, and zero-shot classification using Vision-Language Models (VLMs).
My work has resulted in 14 first-author publications at top conferences like ICRA, ICANN, ICMR and DAFx.

As a freelance AI consultant, I've implemented multiple Generative AI projects leveraging Large Language Models (LLMs), VLMs, Retrieval-Augmented Generation (RAG) pipelines, and integrations with APIs such as OpenAI, Gemini, and Hugging Face. Recent prototypes include a full-stack agentic AI application for legal contract analysis—automating drafting, review, term extraction, and billing table parsing—deployed via Python, Pydantic, Streamlit, and containerized setups on cloud or bare metal servers. I excel in delivering end-to-end solutions, from meta-learning and explainable AI to real-world applications in robotics and human-robot interaction, all while prioritizing client needs for trustworthy, efficient outcomes.
Proficient in full-stack development (Python, Flask, FastAPI, React, NextJS, SQL), I identify as a backend/AI developer at heart, focusing on robust MLOps, model deployment, and data pipelines with tools like PyTorch, TensorFlow, Keras, NumPy, and ROS. Whether it's enhancing productivity through custom AI tools or collaborating on innovative gigs, I'm eager to bring my entrepreneurial mindset (aspiring CTO) to your project. Berlin-based and location-flexible.

Let's create the future of AI together!
  • Deutsch

    Muttersprachlich oder zweisprachig

  • Englisch

    Verhandlungssicher

  • Japanisch

    Grundkenntnisse

  • Französisch

    Grundkenntnisse

Vor Ort möglich
Berlin (bis zu 50 km)

Projekt- und Berufserfahrung

  • Christian Limberg
    Freelance AI Consultant and Engineer
    März 2025 - Heute (1 Jahr und 3 Monate)
    Berlin, Deutschland
    Ongoing development of full-stack agentic AI application for legal contract analysis, integrating RAG pipelines with copilot like features to automate drafting and review (prototype on GitHub). Prototyping automated code-generation pipeline for screening contract terms and parsing arbitrary billing tables, focusing on scalable term extraction. Deploying scalable LLM-based tools using Python, Pydantic, and Streamlit, with containerized setups on bare metal servers and cloud for flexible client deployment.
  • National Institute of Informatics (NII), Tokyo, Japan
    Senior Researcher
    FORSCHUNG
    September 2022 - Februar 2025 (2 Jahre und 5 Monate)
    Tokio, Japan
    • Postdoctoral Fellow of DAAD (German Academic Exchange Service)
    • Project: Vision Architectures for Drones (4 first-author publications)
    • Investigated in-depth into single-stage Object Detection approaches, such as YOLO variants, using Python and Torch
    • Developed Deep Detection Dream (D3) framework for visualizing YOLO internals via adapted DeepDream optimization,
    • enabling interactive web demos of context-aware detections and anchor confidences
    • Investigated into LLMs/VLMs for zero-shot classification in aerial images using OpenAI API and locally deployed models
    Developed Transformer-based pitch-conditioned audio synthesis framework, delivering 99.6% pitch accuracy and timbre disentanglement (Vpitch = 0.13 ) on NSynth; open-sourced with interactive web demo (DAFx 2025)

    Python Computer Vision / Bildverarbeitung Artificial Intelligence (AI) Deep Learning
  • Honda Research Institute Europe GmbH,
    Researcher
    Oktober 2016 - Juni 2019 (2 Jahre und 8 Monate)
    63 Offenbach, Germany
    PhD Project: human-machine interaction models for cooperative intelligence in task completion Contributed to advancing the institute's mission of Cooperative Intelligence Published Python libraries for human-aware active and incremental Machine Learning using Tensorflow, Keras and Torch Developed an intelligent robot user interface with JavaScript web frontend and backend in Python, Flask and PostgreSQL

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Ausbildung und Abschlüsse

  • PhD
    Bielefeld University
    2021
    PhD
  • M.Sc.
    Bielefeld University
    2016
    M.Sc.

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