Tomy A.

SUMMARY OF PROFESSIONAL EXPERIENCE(14+ years of overall Experience) • More than 5 years of experience in the Analysis, Development and Implementation of Data Warehousing Systems (OLAP) using Datastage. • Excellent Experience in Designing, Developing, Documenting, Testing of ETL jobs using DataStage 8.7/9.1 to populate tables in Data Warehouse and Data marts. • Proficient in developing strategies for Extraction, Transformation and Loading (ETL) mechanism. • Strong understanding of the principles of Data warehouse/Datamart using Fact Tables, Dimension Tables, star and snowflake schema modeling. • Excellent experience in design, development and deployment of custom Java ETL. • Experience in analyzing the data generated by the business process, defining the granularity, source to target mapping of the data elements, creating Indexes and Aggregate tables for the data warehouse design and development.