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Sowkarthika Nagarajan is a Senior Big Data Developer at Innova Solutions since March 2022, previously serving as a Lead Big Data Developer at Tata Consultancy Services from November 2011 to December 2019. In the earlier role, Sowkarthika participated in all phases of the development life cycle, focusing on definition and design meetings, functional and technical walkthroughs, and utilizing Sqoop for data imports and exports between HDFS and RDBMS systems. As a Business Intelligence Developer, responsibilities included requirement gathering, design, development, testing, and deployment in a Multi User Development Environment, along with data modeling in OBIEE repositories, report creation, performance optimization of OBIEE reports, and automation of daily reports through OBIEE Agents. Additionally, Sowkarthika created Informatica workflows and mappings for data loading and prepared daily status reports to summarize project activities.