Job Description Minimum of 5 years of hands on experience Hands on experience in ETL/DB testing Strong knowledge of RDMS concept and databases e.g. Oracle, MS SQL, MongoDB, AWS Aurora including DB design Hands on experience in - Analysing and organizing raw data. Build data systems and pipelines. Conduct complex data analysis and reporting of the results. Combine raw information from different sources. Explore ways to enhance data quality and reliability. Collaboration with data scientists and architects on data analytics and modelling. Knowledge of programming languages (e.g. Python) to verify large amount of data between source to target. Identify the project scope, expected outcome, data model, and relevant business rules. Check the data source locations and formats, perform a data count, and verify that the columns and data types meet the requirements. Test the accuracy of the data, and its completeness.Identify key ETL mapping scenarios and create SQL queries that simulate the scenarios. Job Location: Kolkata / Chennai Experience: 6 years - 10 Years Employee Status : Full Time Employee Shift : Day Job Travel : No Job Posting : Oct 27 2023 About Cognizant Cognizant (Nasdaq-100: CTSH) is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant is ranked 185 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com or follow us @Cognizant. 00055527991