<p><b>Job Description:</b></p> <div> </div> <div> <ul> <li> <p>Oracle / SQL Server / PostgreSQL</p> </li> <li> <p>advanced SQL, query optimization, and performance tuning</p> </li> <li> <p>Solid understanding of data warehouse concepts</p> </li> <li> <p>Experience in database performance tuning for large datasets</p> </li> <li> <p>Knowledge of partitioning, indexing, and optimization</p> </li> <li> <p>Exposure to ETL/ELT tools (Informatica preferred)</p> </li> </ul> </div>