Working Student — Data Science
06/2024 – PresentAllianz AGCS • Portfolio Steering & CUO Liability • Frankfurt, Germany
- Co-developed a global Power BI dashboard covering 39,000+ insurees and supporting 70+ stakeholders.
- Built 5+ Power Apps & Power Automate workflows used by 100+ users (Large Loss Triage flagship).
- Built 20+ PySpark transformation jobs processing 20M+ rows; reduced data prep time.
- Migrated 10+ Foundry ETL pipelines into modular PySpark; improved runtime & maintainability.