Sathya Gaddam
Data Engineer @Walmart
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WORK HISTORY
Data Engineer @Walmart
Toronto, ON, CA
At Walmart, I design and deliver secure, scalable, high-performance data platforms on Azure to support enterprise analytics and automation. I partner with engineering and analytics teams to build end-to-end data pipelines, AI integrations, and executive dashboards that power faster, data-driven decisions.• Designed and deployed end-to-end ETL/ELT pipelines using Azure Data Factory, Databricks (PySpark), and Snowflake.• Implemented medallion Lakehouse architecture (bronze–silver–gold) on Azure Data Lake Gen2 with schema enforcement and time-travel.• Built reusable Python ETL frameworks to extract data from ServiceNow REST APIs and integrated them with AI endpoints via Snowflake UDFs, enabling automated insights and article generation.• Automated data quality checks with Great Expectations and Azure Monitor, maintaining 99% data reliability.• Piloted Unity Catalog and Purview for metadata lineage, RBAC/ABAC access, and end-to-end data governance.• Optimized Spark and Synapse workloads, reducing ETL runtime and cloud costs by 30%.• Automated deployments via GitHub Actions and Azure DevOps, supporting secure CI/CD with Key Vault secrets.• Built real-time pipelines using Stream Analytics, Event Grid, and Azure Functions for IoT-driven monitoring.• Delivered Power BI & Tableau dashboards for executives, cutting reporting cycles by 60%.• Mentored junior engineers on Databricks performance tuning and pipeline governance.
EDUCATION
Anurag University
Bachelor of Technology
ABOUT SATHYA GADDAM
I build secure, scalable data platforms on Azure and AWS that enable smarter decision-making. I work with engineering and analytics teams to deliver real-time pipelines and executive dashboards. I orchestrate ETL/ELT using Azure Data Factory and Databricks (PySpark) into Snowflake, and on AWS I work with S3, Glue/Lambda, EMR, Kinesis, and Redshift where needed. I also develop Power BI dashboards with advanced DAX, KPIs, and trend analysis for senior leadership.I hold a Bachelor\'s degree in Electrical & Electronics Engineering from Anurag University. I focus on innovation through IoT integration, streaming/real-time analytics, and strong data governance using Azure Purview (and AWS Glue/Lake Formation). I thrive in fast-paced, cross-functional teams and help modernize cloud-native data platforms for enterprise-wide impact.
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