Sai Krishna
Senior Data Analyst @bioMérieux
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WORK HISTORY
Senior Data Analyst @bioMérieux
US
Review and validate complex financial and operational analyses used in decision-making, ensuring outputs reflect real-world transaction logic, valuation assumptions, and risk factors. Define the ETL mapping specification and Design the ETL process to source the data from sources and load it into DWH tables. Designed the logical and physical schema for data marts and integrated the legacy system data into data marts. Involved in writing, testing, and implementing triggers, stored procedures and functions at Database level using PL/SQL. Developed Mappings using Source Qualifier, Expression, Filter, Look up, Update Strategy, Sorter, Joiner, Normalizer and Router transformations. Developed Stored Procedures to test ETL Load per batch and provided performance optimized solution to eliminate duplicate records.
EDUCATION
Sacred Heart University
Master's degree, Computer Science
ABOUT SAI KRISHNA
Over 5 years of total IT experience in the Analysis, Design, Modeling, Development, Implementation and Testing of Data Warehouse applications and acquired excellent analytical, co-ordination and interpersonal skills for leadership. A Data Warehouse developer, Data modeler, Data Analyst in all phases of Software development life cycle (SDLC) including System Analysis, Design, Data Modeling, Implementation and Support and maintenance of various applications in both OLTP and OLAP systems. Strong understanding of the principles of Data warehousing, Fact Tables, Dimension Tables, Star and Snowflake schema modeling. Extensive experience in relational Data modeling, Dimensional data modeling, logical/Physical Design, ER Diagrams and OLTP and OLAP System Study and Analysis. Extensively used ERWIN and Power Designer to design Logical and Physical Data Models, to forward and reverse engineering data models and publishing data model to acrobat PDF files. Experienced in writing Toad and PL/SQL Stored Procedures, Triggers and Functions.
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