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MarcinKuriata/README.md

Hi, I'm Marcin 👋

Finance & Data Analytics Professional with 6 years of enterprise experience in audit, financial analysis, and business process automation.

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  1. gaming-player-retention-monetization-analytics gaming-player-retention-monetization-analytics Public

    End-to-end telemetry analytics: cohort retention, monetization segmentation (ARPU/ARPPU), and statistical A/B testing on 10.6M+ gaming records.

    Jupyter Notebook

  2. banking-fraud-risk-analytics-sql banking-fraud-risk-analytics-sql Public

    End-to-end banking & credit card transaction analytics: fraud detection, customer risk profiling, running balances, and cohort spend behavior using SQL (BigQuery/PostgreSQL) and Power BI.

  3. cyclistic-bike-share-analysis cyclistic-bike-share-analysis Public

    Google Data Analytics Capstone Case Study — Analyzing rider trends using SQL, BigQuery, Python, and Tableau to drive annual memberships.

    Jupyter Notebook