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Kalyan Borra

@kalyanborra

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Data Engineer at Cortracker supporting Walmart retail analytics with pipelines that cut processing time by 20%.

United States

Message

At Cortracker, I own data pipelines supporting Walmart retail analytics, working with sales, inventory, product, and store data. I developed Azure Databricks workflows that prepare analytics-ready datasets and optimized transformations to reduce processing time by 20%.

Previously, I developed healthcare data pipelines at CVS Health and AWS data pipelines at Prologging Private Limited. My work included CDC-based ingestion, data-quality checks, and production workflows across retail, healthcare, and enterprise environments.

Experience

Work history, roles, and key accomplishments

Current

Data Engineer

Current

Cortracker

Jul 2025 - Present (1 year 3 months)

Owned development and maintenance of data pipelines for retail analytics, processing high-volume sales, inventory, product, and store data. Built and optimized PySpark and SQL transformations, reducing pipeline processing time by 20%.

Python SQL PySpark Azure Data Factory Databricks ADLS Snowflake Data Modeling Data Quality CDC Incremental Processing Spark Optimization Logging Error Handling Retry

Data Engineer

CVS Health

Jul 2024 - Jun 2025 (11 months)

Developed end-to-end healthcare data pipelines using Python, SQL, PySpark, Azure Data Factory, and Databricks. Designed and built scalable Bronze/Silver/Gold data pipelines, improving data reliability by 25%.

Python SQL PySpark Azure Data Factory Databricks Azure Data Lake Data Modeling Data Quality Incremental Processing Spark Optimization Logging Error Handling Monitoring

Data Engineer

Prologging Private Limited

Jan 2021 - Jun 2022 (1 year 5 months)

Developed end-to-end AWS data pipelines to integrate ERP systems, databases, and APIs using Python, SQL, AWS Glue, and Amazon S3. Built scalable ETL/ELT pipelines and optimized large-scale processing on AWS EMR, reducing processing time by 25%.