Python, Informatica,SQL, AWS_6 to 8 yrs_TCS -Chennai/Kolkata/Bangalore

Core Skills 6–12 years of experience in ETL development and data engineering. Strong hands-on expertise in Informatica Cloud (IICS) and Informatica PowerCenter. Python skills with active involvement in IICS → Python migration and automation work. Advanced SQL proficiency across Snowflake, SQL Server, and Oracle. Experience with Unix shell scripting for automation, file processing, and workflow orchestration. Strong understanding of data warehousing concepts, dimensional modelling, and large‑scale data integration. Technical Expertise End-to-end ETL development including design, development, testing, deployment, and support. Troubleshooting complex ETL session failures, batch issues, and data quality inconsistencies. Performance tuning for ETL workflows, SQL queries, and transformation logic. Hands-on experience in large-scale data migration ensuring accuracy, consistency, and reliability. Contributed to modernization efforts including Informatica on‑prem to IICS migration and Python-ba...