Conducting IT consulting projects in data science and data management for various client companies in Germany and Switzerland.
Completed client projects:
Project at EUPD Research Sustainable Management GmbH (Bonn) (06/2024 – 12/18/2024):
Analyzed a large number of sustainability reports using RAG (Retrieval Augmented Generation), Milvus vector databases and large language models (LLMs) provided via Watsonx.ai
Tested prompts, LLM model types and parameters for answer quality and to avoid hallucinations
Deployed analysis scripts in the cloud via Docker
Developed a Streamlit app to generate answers in a user-friendly browser interface
Used AI language agents to search for company information online to pre-classify sustainability reports by industry and number of employees
Technologies used: Watsonx.ai, Python, Jupyter Notebooks, Docker, Streamlit, VS Code, GitLab
Project at IGS Informatikgesellschaft für Sozialversicherungen GmbH (St. Gallen, Switzerland) (09/2023 – 12/18/2024):
Extended Python modules to transform, store and import social security data into an online database system
Mapped table structures using Python classes (column names, data types, field lengths, foreign keys, unique constraints, references to other tables)
Automated extraction of data from Excel tables, created JSON files for intermediate storage, imported JSON data into DB2 database environments via batch scripts
Logged SQL merge queries via the Python SQLAlchemy package for reuse in different database schemas
Technologies used: Python, SQLAlchemy, DB2, VS Code, GitLab, DBeaver
Project at Henkel AG & Co. KGaA (Düsseldorf) (09/2022 – 12/2022):
Trained and optimized machine learning models in Azure Databricks to predict whiteness values measured by a stain monitor in washing experiments
Created charts and visualized metrics to measure prediction quality in regression algorithms (including neural networks and random forests)
Explained predictions using LIME and SHAP values
Technologies used: Python, Databricks, MS Azure (as user)
Deployed by RPS Engineering GmbH.
Deployed by RPS Engineering GmbH.
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