Portfolio

1 minute read

Development

LLM:

RAG Chatbot

  • Enhancing the BMBF-FAQ-Chatbot from VDI-VDE/IT using RAG technology
  • Final Project for LLM Zoomcamp Course, finished in August 2024

MLOps

Car Price Prediction Webservice & Web App

  • Model development, deployment & monitoring
  • Cloud Hosting as webservice & Web App
  • Final Project for MLOps Zoomcamp, finished in May 2024

API building

Autoscout24 Germany Scraper

  • Paid Web Scraping API for Autoscout24.de
  • Scrapes latest listings and returns them in a structured format
  • I also store the data in BigQuery using a cron-job for future dashboarding and ML modeling (potential synergies with the car price prediction project)

ETL

Berliner Luft - Air Quality Dashboard

  • Air Quality Dashboard showing most recent pollution data from Umweltbundesamt API
  • Enhanced through equivalent in Cigarettes to make air quality measurements intuitive
  • Umweltbundesamt API -> Google BigQuery -> Looker Studio
  • Final Project for Data Engineering Zoomcamp, finished in March 2025

Kaggle Competitions

Predicting Amazon review ratings from their text content

  • Lasso and Ridge regression
  • Principal Components and Partial Least Squares regression
  • Support Vector Machines
  • Random Forests, Boosting Regression and Classification trees (CART)

Emotion recognition on images using bag of features

  • Multinomial Regression with Lasso and Ridge Regularisation
  • Random Forest
  • LDA / QDA

Personality Prediction of YouTube vloggers using linear Regression

  • Linear Regression

Data Analysis / Prediction Notebooks

Inference & prediction of wal mart time series sales data

  • Bayesian Applied Regression Modeling via Stan

Titanic Dataset - Explorative & predictive analysis

  • Feature engineering / data visualization
  • Logistic Regression
  • SVM
  • KNN
  • RF

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