PRAJWAL ATHREY

Experience

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  Tata Consultancy Services

  Jun 2021 - now

  System Engineer

  Projects: Work Force Management (Blue Yonder)- Loaded, masked PII data and transformed complexXML files from Relational Database Systems to a cloud environment.ALS-Manhattan: Created pipelines to load Manhattan Depot’s data to SQL Tables and processed 200+ millionrecords. Minimized delimiter issues by reading the files with delimiter through Databricks, and optimized pipelines through dynamic parameterization.Scan &Go- Created and configured pipelines to load transaction data into the Cosmos DB application, provided QA support, and helped the business access daily transaction data.NCR-R10 POS - Handled complex parquet files and XML structures, performed complex transformations using XSLT, and processed 400+ million records. Partitioned records using Pyspark queries and created delta tables to optimize the pipeline run time from 7 to 2 hours for 976.8 MB of data. Show less