7 years of experience in system analysis, design, development and implementation and Maintenance in Business Intelligence / Data warehouse• Hands on Experience in Designing and Building ETL jobs using IBM IIS DataStage (v8.7/8.5/8.1/7.5.2/7.5)• Extensively worked on Tableau 6.x/7.x/8.x (Desktop, Server and Public), Cognos• Posses' strong knowledge of database management in writing complex SQL queries, Stored procedures, database tuning, query optimization and resolving key performance issues.• Expertise in designing and creating various analytical reports and Dashboards to help users to identify critical KPIs and facilitate strategic planning in the organization using Tableau• Mastered the ability to design and deploy rich Graphic visualizations with Drill Down and Drop-down menu option and Parameterized using Tableau.• End to end experience in designing and deploying data visualizations using Tableau Desktop, Tableau Server• Experience in creating different visualizations using Bars, Lines and Pies, Maps, Scatter plots, Gantts, Bubbles, Histograms, Bullets, Heat maps and Highlight tables• Administered user, user groups, and scheduled instances for reports in Tableau• Involvement in different phases of the Software Development Life Cycle (SDLC).• Knowledge of various methodologies scrum, agile, water fall in various projects life cycles.• Extensively provided technical and analytical expertise in responding to complex, specialized report requests requiring higher-level data analysis and data management services.• Extensive Knowledge of Tableau Server Concepts like tabcmd, tabadmin, creating users and projects• Worked on Migration project to migrate from 7.5 V to 8.7 Version of data stage• Highly knowledgeable in concepts related to Data Warehouses schemas, Star Schema modeling, and Snowflake modeling and processes.• Strong knowledge of Extraction, Transformation and Loading (ETL) processes using Data Stage ETL Tool.