Sushma Reddy

Experience

1. Data Analyst

   Databricks

   Apr 2024 — Present · US

   Designed and deployed a real-time retail analytics dashboard in Tableau powered by Databricks SQL and Delta Lake, enabling sub-5-minute visibility into sales performance across 100+ store locations. Engineered scalable ETL pipelines using PySpark in Databricks Notebooks and Delta Live Tables, integrating batch and streaming data sources to support self-service analytics and reduce manual reporting workloads by 80%. Built SKU-level demand forecasting models using ARIMA and Prophet, tracking experiments with MLflow and integrating with AWS SageMaker, improving forecast accuracy by approximately 25%. Developed interactive Tableau dashboards leveraging Databricks SQL to visualize demand forecasts, prediction confidence intervals, and near real-time inventory trends for data-driven supply chain planning. Automated end-to-end machine learning workflows including model retraining, validation, and deployment using Databricks Workflows and MLflow pipelines, ensuring reliable and scalable model lifecycle management. Implemented data quality validation and KPI standardization using Spark SQL, improving query performance and ensuring consistent business reporting across analytics teams.