Bala D Email & Phone Number

Atlanta, Georgia, United States

 Designed and implemented scalable data pipelines using AWS services such as Lambda, Redshift,and S3 for ETL processes. Architected and managed data warehousing solutions on Snowflake, enabling real-time dataingestion and transformation. Optimized complex SQL queries to improve the performance of data retrieval and aggregationby 30%. Collaborated with business analysts to define data models and create dashboards for real-timeanalytics using Power BI and Tableau. Automated data integration processes, reducing manual interventions by 50%, utilizing ApacheAirflow for job orchestration.

Alpharetta

Data Engineer Developed and maintained ETL processes to extract, transform, and load data from multiplesources to AWS Redshift and Azure Synapse. Created custom scripts in Python and SQL to automate data cleaning and transformationworkflows. Worked closely with the data science team to provision datasets for machine learning models. Implemented security best practices for data storage and access on AWS and Azure platforms. Led the initiative to transition from on-premise data solutions to cloud-native architecture,reducing infrastructure costs by 20%.

Stamford, Connecticut, United States

Wrote complex SQL queries to retrieve, manipulate, and analyze data across relationaldatabases including SQL Server and Oracle. Designed relational and dimensional data models to support data warehousing and reportingsolutions. Performed query tuning and database optimization to enhance performance. Developed stored procedures, views, and triggers for automation of business processes. Provided data reporting and insights for stakeholders through SQL-based dashboards.