Sudha Ganapathy
Senior Data Engineer @Optum
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WORK HISTORY
Senior Data Engineer @Optum
EDUCATION
Madurai Kamaraj University
Bachelors of Engineering in Computer Science & Technology, Distinction
ABOUT SUDHA GANAPATHY
Over 21+ years as a Senior ETL/BI Consultant in software analysis, design, development, testing, implementation, maintenance and production Support working in cross-cultural environments, Asia, South America and the United States. • Experienced in development and design of ETL methodology for supporting data transformations & processing in a corporate wide ETL Solution using IBM Datastage,Ab Initio,Oracle Data Integrator,SSIS,SSRS. • Proven track record in planning, building and managing successful large-scale Data Warehouse and decision support systems, Data Mapping, Data management, Data transportation and Data Staging. • Have experience in Agile methodologies. • Expert in Performance Tuning, Performance-Oriented design, Development, Data Modeling, Physical Design, Logical Design, Trouble-shooting and coding for optimized functioning. • Proven experience in Data Warehousing which includes Construction and analysis of Source Systems, Staging area & Target systems. • Proven experience in Unix Shell Scripting in different projects. • Database experience in Teradata,SQL Server, T-SQL,Oracle, DB2 UDB and PL/SQL (Stored Procedures, Functions, Triggers). • Strong understanding of the principles of Data Warehousing, including the use of Fact Tables, Dimension Tables, star schema modelling and snowflake schema modeling • Expertise in building Enterprise Data Warehouses (EDW), Operational Data Store (ODS), Data Marts, and Decision Support Systems (DSS) using Multidimensional Model, Star and Snowflake schema design addressing Slowly Changing Dimensions (SCDs). • Extensive experience in Onsite/Offshore liason. • Excellent problem solving, communication, analytical, interpersonal skills and ability to perform independently or as part of a team.
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