As a highly experienced data scientist with a deep understanding of Python and strong expertise in data preprocessing techniques, particularly normalization, I am confident that I am the best fit for your project. Having worked extensively with sklearn and XGBoost and having completed challenging projects similar to yours, my familiarity with these tools and ability to write clean, efficient, and well-commented code will ensure a high-quality delivery.
My proficiency in Python extends not just to machine learning using sklearn but also includes Pyro and PyMC, which can be additionally valuable for your project. Moreover, my knowledge of Google Cloud Platform and BigQuery is an asset that will help to effectively handle large datasets like the one in your project.
In addition to my technical skills, I bring a holistic approach to data science derived from my engineering background. This has allowed me to consistently optimize solutions using statistical models (Regression, Logistic regression, CART, GLM) and mathematical statistical techniques for over 20 years. With my analytical acumen combined with your dataset, we can unlock deeper insights yielding an improved model.