Ten years of experience in Analysis, Design, and Development of software applications.. Expert level skills in implementing Enterprise Data Warehouses using Informatica PowerCenter Well versed in creating ETL mappings ranging from simple to complex. Experience also includes multiple Relational databases, like Oracle, DB2, MS SQL Server, MS Access, and flat files. Familiar with working on warehouse designs based on Ralph Kimball and William Inman methodologies, and with all phases of the Software Development Life Cycle in Data Warehousing. Sound knowledge of database architecture for OLTP and OLAP applications, Data Analysis, and ETL processes. Skills also include creating physical and logical data models by using ERwin. Expert with Stored Procedures, Triggers, Cursors, Indexes, Functions, and Packages. Also have experience SQL scripts and Unix shell scripting. Extensive business knowledge in CRM, Insurance, Mortgage, Health Care, Finance, Retail, and Human Resources Services.