Meng-chieh L.
Lecturer & AI Project Coach
Experience
Oct 2024 - Present
1 year 3 monthsTaiwan, Province of China
Lecturer & AI Project Coach
RookieSavior
- Delivered a 16-hour applied module on AI/LLM applications, bridging theoretical concepts with real-world data science workflows.
- Edited and structured course materials to align theoretical concepts with real-world applications.
- Coached professionals 1:1 on end-to-end AI projects, improving their ability to leverage ML tools to enhance business efficiency.
- Developed structured course materials emphasizing practical, deployable AI/ML solutions.
Jan 2022 - Aug 2025
3 years 8 monthsSulzbach, Germany
Data Scientist
Cosnova GmbH
- Led end-to-end development and production deployment of a product name cleaning, translation, and category prediction pipeline using LLMs (LangChain, RAG, ReAct Agents), reducing operational costs by 99% and increasing efficiency 200x.
- Collaborated with stakeholders to perform prompt engineering, translating business requirements into precise, high-impact LLM workflows.
- Developed and productionized trend insight extraction workflows with LLMs, delivering actionable insights to the executive board that influenced product strategy.
- Built a warehouse sample search system based on Pantone color codes, accelerating product sample retrieval and improving operational efficiency.
- Developed an 18-month lead-time sellout forecasting system using an ensemble of XGBoost, CatBoost, and LightGBM, achieving r² ≈ 0.8.
- Partnered with data engineers and DevOps to deploy and monitor ML workflows in Kubernetes using MLflow, ensuring reliable production operations.
Oct 2019 - Dec 2021
2 years 3 monthsDüsseldorf, Germany
Data Scientist
Check24 Fashion
- Led the development and deployment of an English–German user review semantic classification system using a BERT-based model.
- Led the development of an image-based product recommendation system leveraging Mask R-CNN for object detection and feature extraction.
Apr 2018 - Sep 2019
1 year 6 monthsDarmstadt, Germany
Senior Data Scientist
AGT International (R&D)
- Led the development of emergency vehicle detection with YOLO.
Oct 2017 - Mar 2018
6 monthsDarmstadt, Germany
Data Scientist Intern
AGT International (R&D)
Skills
- Large Language Models: Langchain, Rag, React Agents, Openai Api (Multimodal, Whisper, Tts, Websearch), Ollama.
- Machine Learning & Forecasting: Xgboost, Lightgbm, Catboost, Pytorch Forecasting (Tft, N-beats, N-hits).
- Natural Language Processing: Embedding Models, Bert-based Models, Semantic Classification, Prompt Engineering.
- Computer Vision: Yolo, Mask R-cnn, Image-based Recommendation, Image Captioning.
- Ml Ops & Deployment: Mlflow, Kubernetes, Model Monitoring, Scalable Production Pipelines.
- Data Science Foundation: Pandas, Numpy, Scikit-learn, Scipy.
Languages
German
NativeEnglish
ElementaryEducation
Sep 2011 - Oct 2016
Karlsruhe Institute of Technology
Physics, cum laude · Physics · Karlsruhe, Germany
Aug 2009 - May 2011
Iowa State University
Physics, Hons and Dist · Physics · United States · GPA: 3.87
Sep 2003 - Jun 2007
National Taiwan Normal University
Physics · Physics · Taipei, Taiwan, Province of China · Overall/Subject GPA: 3.74/3.96
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