Senior Data Scientist2017 - 2019Henkel
Technologies: Spark, Docker, XGBoost, Scikit-learn, Pandas, Python
- Built multiple machine learning applications (classification and time series forecasting) including tech stack selection, architecture, model training, and deployment.
- Mentored junior data scientists in multiple projects incl. own contributions: marketing analytics based on IoT data, production optimization, accounts receivable prediction, epigenetics research, hair color prediction from sensor measurements.
- Consulted and performed QA in multiple machine learning projects with external implementation partners-contexts: source-to-pay, intercompany, EDI.
Data Scientist2016 - 2017AXA
Technologies: Scikit-learn, Pandas, Apache Kafka, Spark, Python
- Helped build the inhouse data lab and established data science approaches at the company.
- Built statistical models for customer churn prediction.
- Implemented Spark data preparation and pseudonymization solutions on Hadoop.
Scientific Staff2011 - 2016RWTH Aachen University
Technologies: LaTeX, Python, MATLAB
- Participated in three research projects and contributed to eight applications for research grants, publishing research papers at top international conferences and journals.
- Analyzed large datasets and performed distributed Monte Carlo simulations.
- Supervised students writing theses and working as student research assistants.