Main areas of expertise are analyzing, developing and testing the data warehousing projects.Experience in Development of mappings using needed Transformations using Informatica tool.Experience in the Data Warehousing using Data Extraction, Data Transformation and Data Loading.Excellent problem solving skills with strong technical background and good interpersonal skills. Quick learner and excellent team player, ability to meet deadlines and work under pressure.Used ETL process to Extract, Transform and Load the data into stage area and data warehouse.Preparing the Documentation for the mappings according to the Business Requirements.Good Knowledge on Data Warehousing concepts like Star Schema, Dimensions and Fact tables.Optimizing Informatica Mappings and Sessions to improve the performance.Extensively used Informatica client tools – Source Analyzer, Warehouse designer, Mapping designer, Mapplet Designer, Informatica Repository Manager and Informatica Workflow Manager.Possess complete domain and development Life Cycle knowledge of Data Warehousing.Expertise in working on Informatica Data quality tool and extensively performed Data Cleansing, Data Validation and developed trusted Score Cards using IDQ.Experience in debugging mappings. Identified bugs in existing mappings by analyzing the data flow and evaluating transformations.Worked on UNIX-shell Scripting for Pre-Session, Post-Sessions tasks and also automated the scripts.Worked on Informatica Scheduler tools to schedule the jobs automatically.Expertise in doing Data Validation, Unit testing and UAT support for developed Informatica Mappings.Expertise in taking backups, recovery of workflows, sessions and mappings from repositories.