Rohith Varma

Data Engineer @Tenet Healthcare

Overland Park, KS, US

Designed and implemented a scalable, cloud-native ETL/ELT pipeline using AWS S3, AWS Glue and Amazon Redshift,ingesting 2+ billion records per month and reducing data load latency by 45%.• Developed batch and streaming data workflows using Apache Spark, Apache Kafka and Amazon Kinesis, enabling nearreal-time analytics for the business intelligence team and reducing time-to-insight from hours to minutes.• Built and maintained a data warehouse using Snowflake, defined star and snowflake schemas and enabled data selfservice for 50+ business users, increasing report generation efficiency by 38%.• Implemented data quality and data-governance frameworks (e.g, automated anomaly detection, schema drift alerts),resulting in a 30% reduction in data-related incidents and rework.• Collaborated with data scientists to prepare feature-engineering pipelines (Python + pandas, PySpark) and createdreusable data-mart layers, improving model training data availability by 60%.• Optimised query performance (PostgreSQL/Redshift) with indexing, partitioning and materialised views, reducingaverage query runtime by 65% and lowering compute costs by 22%.• Led the migration of on-premise Hadoop clusters to Azure Databricks, orchestrated environment provisioning viaTerraform CloudFormation, established CI/CD for data-pipeline deployments, supporting a multi-cloud strategy.

University of Central Missouri

Master's degree