Projects
ShopTracker - Receipt Digitization via OCR & GenAI
Independent mobile app that turns physical receipts into structured data using real-time document detection, OCR, and GenAI — tested across 20+ Swiss and German retailers.
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FacADe - City-Wide Facade Advertising Visibility
Geospatial data engineering platform quantifying facade advertising visibility across Zurich using AWS, PostGIS, and multi-modal mobility data.
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German Railway Delay Analysis
Solo ELT pipeline and network analysis of Deutsche Bahn delays across 20 major stations using the DB OpenData API and MongoDB Atlas.
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Boat Valuation Model - Swiss Secondhand Market
End-to-end ML pipeline scraping 3,166 motorboat listings from boot24.ch to build a pricing model for the Swiss secondhand boat market.
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Deezer Music Recommender - Hybrid ML System
Three-stage hybrid recommender combining user affinity features, matrix factorization embeddings, and LightGBM — achieving 0.7477 AUC on 7.5M listening events.
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