Dheeraj Kumar

Master's

Computer Information Systems

Fannie Mae CA

Data Scientist

- Worked in Agile environments to deliver iterative solutions and adapt to changing project requirements - Led the development of machine learning models using Python and Spark, including Linear and Logistic Regression, Gradient Boosting, Random - Forests, and K-means Clustering to improve the accuracy of customer segmentation and targeting by 20 - Designed and implemented NLP models for sentiment analysis, processing large-scale social media data using NLTK, which informed key - Maintained real-time data processing systems on AWS, utilizing EC2 and S3, which optimized data storage and processing costs by 30 - Developed and delivered comprehensive data visualizations and interactive dashboards using Tableau and Matplotlib, providing actionable - Created customized SQL Queries using MS SQL Management Studio to pull specified data for analysis and reporting