Kiran K

Senior Data Scientist @Cardinal Health

OH, US

Developed predictive models using R 3.X and Python to forecast sales trends and customer behavior, enhancing strategic decision-making across Macy\'s retail operations. Utilized Spark (Pyspark, MLlib, Spark SQL) to process large datasets, improving data-driven insights for marketing and inventory management. Implemented Tableau 10.2 for creating intuitive visualizations that provided actionable insights into customer demographics and product performance. Designed and executed complex SQL queries on MySQL, Postgres, and Oracle databases to extract, transform, and load (ETL) data, facilitating efficient data integration and reporting. Leveraged AWS services, including RedShift and S3, for scalable cloud storage and computing, ensuring efficient data management and accessibility. Conducted rigorous data cleaning and preprocessing using Python and Spark to ensure accuracy and quality of analytics outputs.