Built an ETL job extending the functionality of existing ETL to incorporate the new additional requirements requested by the business users to ingest and transform the data from various applications.Supported end-users with prompt troubleshooting assistance, minimizing downtime due to technical issues.Analyzed and addressed the performance issues for the existing SQL through Indexing and Query Refactoring and optimized to run 25% faster.Maintained up-to-date documentation of application features, ensuring ease of use for all stakeholders involved in ongoing projects.Leveraged data analytics tools to generate meaningful insights from large volumes of data, enabling informed decision making.Assisted in requirement gathering, leading to better understanding of client needs and more accurate project estimations.