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  1. etl-sales-pipeline etl-sales-pipeline Public

    Modular ETL Pipeline in Python: Extracting, transforming, and validating sales data with Pandas and NumPy.

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  2. sql-ecommerce-analysis sql-ecommerce-analysis Public

    SQL analysis of 100k+ e-commerce orders using PostgreSQL and Docker. Features complex joins, window functions, and business KPIs.

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    From-scratch implementation of ODE solvers, interpolation, numerical integration and root-finding in MATLAB - applied to a coupled inductor circuit simulation.

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    Text mining & NLP analysis of 65+ real-world IT incident postmortems (Amazon, Google, Cloudflare, GitHub, and more) using R - TF-IDF clustering, NRC sentiment analysis, and keyword associations to …

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  5. dbt-sales-analytics dbt-sales-analytics Public

    dbt project transforming sales data with SQL-based models, tests, and lineage docs - a declarative companion to my Python-based etl-sales-pipeline, comparing both paradigms on the same dataset.

  6. sp500-volatility-forecasting sp500-volatility-forecasting Public

    Quantitative research project testing Black-Scholes assumptions and forecasting S&P 500 volatility - hypothesis testing (Jarque-Bera, ADF, Ljung-Box), GARCH, and ML (Random Forest, XGBoost) benchma…

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