Vikas Nimmagadda
Data Engineer | Snowflake, AWS & Azure | PySpark, Airflow, dbt | Big Data & Cloud Analytics
- Role
- Data Engineer at Wells Fargo
- Location
- Harrison, NJ, US
- LinkedIn followers
- 500 followers
About Vikas Nimmagadda
Elevance Health drives my expertise in scalable data pipelines, regulatory compliance, and real-time data processing. Leveraging tools like Apache Airflow, dbt, and PySpark, I contributed to reducing large-scale healthcare data processing time by 30% and ensured data quality with frameworks like Great Expectations. My work supports analytics through robust ETL/ELT workflows and BI-ready data models for platforms like Tableau and Power BI. Currently pursuing an M.S. in Computer Science at Pace University, I aim to deepen my knowledge of cloud data engineering. My background includes migrating on-premise systems to cost-effective cloud-native solutions and optimizing data infrastructure for healthcare and telecom. Passionate about enabling data-driven decision-making, I focus on bridging engineering and analytics in collaborative environments.
Experience
Data Engineer
May 2024 — Present · Atlanta, GA, US
Designed and built ETL/ELT pipelines ingesting data from SQL Server, Oracle, MongoDB, and REST APIs into Snowflake and Azure Data Lake• Developed scalable data orchestration workflows using Apache Airflow and dbt, improving pipeline reliability and data availability• Optimized PySpark transformations for large healthcare datasets, reducing processing time by 30%• Implemented data quality checks and validation frameworks using Great Expectations, supporting HIPAA compliance• Designed star and snowflake schemas to power Power BI and Tableau dashboards• Automated incremental data loads and SCD Type 2 historical tracking• Applied partitioning, clustering, and indexing strategies to optimize Snowflake and Redshift performance• Built monitoring, audit logs, and error-handling mechanisms to improve pipeline stability
Education
Parul University
Bachelor of Technology - BTech, Computer Science
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