Skills
Machine Learning (XGBoost, Random Forest)Python (Pandas, Scikit-learn, TensorFlow)SQL & Relational DatabasesData Visualization (Tableau, Matplotlib)Statistical Analysis & A/B Testing
Experience
Lead Data Scientist
2021 - PresentFinTech Solutions Inc., Austin, TX
- Developed and deployed a credit risk scoring model using XGBoost, reducing default rates by 12% within the first year.
- Automated ETL pipelines using Apache Airflow, processing over 50TB of daily transaction data.
- Led a team of 3 analysts to design an A/B testing framework for product features.
- Optimized model performance through feature engineering and hyperparameter tuning.
- Collaborated with cross-functional teams to integrate predictive models into production systems.
Data Analyst
2018 - 2021Retail Analytics Corp., Chicago, IL
- Created interactive Tableau dashboards for executive leadership to monitor key performance indicators.
- Identified customer churn patterns using logistic regression, leading to targeted retention campaigns that saved $1.2M annually.
- Performed statistical analysis on sales data to uncover trends and inform marketing strategies.
- Managed SQL queries and relational databases to support ad-hoc reporting and data extraction.
- Assisted in the development of machine learning models for demand forecasting.
Education
M.S. in Data Science
Northwestern University, Evanston, IL
2018
B.S. in Mathematics
University of Texas, Austin, TX
2016
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