Ganesh Sai G
Data Engineer | PySpark | SQL | Python | Databricks
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About
Data Engineer with experience in building and maintaining scalable ETL/ELT pipelines using PySpark, Azure Databricks, Azure Data Factory, Azure Data Lake, SQL Server, and Python. Experienced in production support, performance optimization, and delivering reliable data solutions.
Experience
Programmer Analyst at Cognizant Technology Solutions (2025-07 – Present)
- Developed and maintained ETL pipelines using PySpark, Azure Databricks, and Azure Data Factory (ADF).
- Built data ingestion and transformation workflows using Azure Data Lake (ADLS) and SQL Server.
- Monitored ETL jobs, resolved production issues, performed root cause analysis (RCA), and optimized pipeline performance.
- Collaborated with cross-functional teams in an Agile environment to deliver scalable and high-quality data solutions.
Intern at Cognizant Technology Solutions (2025-03 – 2025-06)
Completed training in data engineering, gaining expertise in Python, SQL, PySpark and Databricks. Achieved 100% in the program assessment conducted during the training.
Education
Bachelor of Engineering in Electronics and Communication – Velammal Engineering College (2021-10 – 2025-05)
