Role: Build and optimize data pipelines and data warehouse solutions. Experience Required: Typically 3 to 6+ years of ETL and database experience. Core Tools: Informatica PowerCenter, Informatica Developer Job Description Template, SQL, and Unix/Linux shell scripting. Advanced SQL and database knowledge (Oracle, SQL Server, Teradata). Key Responsibilities ETL Development: Design and build complex Informatica mappings, sessions, and workflows to move data from various sources to target data warehouses. Performance Tuning: Optimize slow-running queries, mappings, and database loads using partitioning and indexing. Data Quality & Cleansing: Perform data profiling, validation, and de-duplication to ensure data accuracy. Troubleshooting: Monitor daily data loads and fix extraction or loading failures.