Kaushik Nayak

About Kaushik Nayak

As a Senior Data Analyst with 6 years of experience analyzing complex datasets and…

Experience

1. Senior Data Engineer

   Cardinal Health

   Apr 2024 — Present · Columbus, OH, US

   Worked on building multiple Data pipelines, end-to-end ETL, and ELT processes for Data ingestion and transformation in GCP.> Designed and implemented data visualizations and user interfaces using tools integrated with Google Cloud Platform (GCP)(BigQuery, Looker studio) and AtScale.> Worked with GCP function with Python to load Data into Bigquery for on-arrival CSV files in GCS bucket.> Designed and implemented comprehensive data migration strategies from Teradata to SAP systems, ensuring data integrity and minimizing downtime.> Analysed and re-platform existing visualizations to point to cloud-based data sources such as GCP.> Developed and optimized SQL scripts and stored procedures in BigQuery for extracting large datasets to be migrated into SAP from Teradata.> Managed the end-to-end ETL process to facilitate the seamless transfer of business-critical data from legacy systems in Teradata to SAP.> Conducted data quality checks and validation to ensure accuracy and completeness post-migration.> Collaborated with cross-functional teams to map Teradata data structures to SAP, ensuring alignment with business logic and needs.> Drafted visualization requirements in collaboration with business users and developers, bringing innovative ideas that advance beyond basic reporting.> Re-engineered business logic embedded in visualizations to integrate into GCP data stores for broader business functionality.> Worked on managing the migration of historical data from Teradata to Google BigQuery using ELT methodologies.

Education

• JNTUH College of Engineering Hyderabad

  Bachelor of Technology - BTech

  2009 — 2013