• Designed and promoted internal Python libraries to improve development efficiency and standardization.

• Developed a robust data quality framework using Great Expectations and Jinja templates.

• Built a no-code automation tool for creating and managing Airflow DAGs.

• Led large-scale code refactoring efforts across multiple Git repositories.

• Implemented applications using common patterns like SEDA, Kappa, and Lambda architectures.

• Expertise in migrating SAS scripts to Big Data Platform and restructuring code to Netezza SQL.

• Automated data extraction from various sources to HDFS, and analyzed data with Hive and Pig.

• Developed parser and loader map reduce applications for data retrieval and storage in HBase and Hive.

• Expert in Tableau Report developing, testing, and deploying reporting solutions using Tableau Server.

• Created customized and interactive dashboards using multiple data sources.

• Implemented advanced geographic mapping techniques and spatial visualizations of non-geographic data.

• Involved in data extraction from various sources such as raw data files, Excel files, and databases.