Senior Python & AI Engineer Specializing in Machine Learning, Data Engineering, Scripting, Chatbot Development —Dedicated to Tackling Your Complex Business Challenges

I am a certified Python AI engineer with +5 years of experience. My unique selling point is the deep integration of profound knowledge in data science with the practical implementation of software-driven solutions. In my role as an IT consultant, I have had the privilege of collaborating with renowned companies such as Allianz, Commerzbank, Deutsche Fußball Liga, and HSBC.

Experience

Chief AI Officer - Cultway GmbH (Jun 2023 - Nov 2023)
- Formulated and executed a comprehensive AI strategy,
- Developed an OpenAI based large language model (LLM) architecture, adept at intelligently crafting high-quality presentation slides from user-provided text inputs,
- Engineered an automated system for the generation of fine-tuning data, optimizing the process of data collection and preparation,
- Successfully fine-tuned LLMs, achieving notable improvements in their performance and reliability

Data & Software Engineer - AllCloud GmbH (Jul 2022 - Nov 2023)
- Independently developed an automated AWS SageMaker ML pipeline for a recommender model, activated by new data inputs.
- Built pipeline components using Python CDK, AWS SageMaker, STEP FUNCTION, AWS S3, and AWS ECR.
- Orchestrated data processing, model training, and deployment, with automated performance evaluation and endpoint updates.

Consultant | Machine Learning Engineer - Deloitte GmbH (May 2021 - Jun 2022)
- Executed a ransomware identification POC using software log data.
- Managed data preparation, feature engineering, and EDA for time-series datasets.
- Developed and refined Logistic Regression and XGBoost models.

Key Achievements:

- Enhanced XGBoost model accuracy to 90% on validation data.
- Increased XGBoost F1-Score to 0.87 and ROC-AUC to 0.93.
- Implemented cross-validation and hyperparameter tuning to mitigate overfitting.

Data Scientist - Axel Springer SE (Jan 2020 - Apr 2021)
- Ensured the meeting of plan values for overall marketing and advertising campaigns with time-series predictions embedded in Tableau with Python.
- Led A/B testing initiatives, designing test groups, monitoring systems, and providing statistical evaluations using Bayesian models.

Education

Bachelor of Engineering, Industrian Engineering - Germany (2018 - 2021)