SUMMARY:

• 6+years of IT experience in Analysis, Design, Development, Testing and Implementation of various applications in OLTP, Client/Server OLAP environment using BI tools
• 4+ years of extensive experience with design and development of Tableau visualization solutions.
• Certified Tableau Desktop 9 Qualified Associate with extensive experience inTableau Desktop, Tableau Server, Tableau reader in various versions of Tableau (7.x/8.x/9.x) and Vizql,Teradata, SQL and various ETL tools.
• Experience with all the modules of MicroStrategy Product Suite namely MicroStrategy Intelligence Server, Web, Dashboard, Narrowcast Server and Desktop.
• Experience with Amazon Web services including the technologies like EC2 and RDS
• Extensively developed Business Requirements Documents, Functional Design Documents and Technical Design Documents.
• Actively participated and conducted in JAD sessions with business users, technical leads and with development personnel in all aspects of the SDLC.
• Efficient in identifying and analyzing Business requirements from documents and end - user discussions and deliver the data requirements necessary to support DW subject areas.
• Extensive experience on designing database using ER modeling and Normalization
• Experienced in designing richInteractive reports and dashboards integrating various reporting components from multiple sources.
• Experience in aggregating data and configuring reports from different data sources using data blending.
• Experience working on AWSto generate reports using Tableau.
• Proficient in design and development of various dashboards, reports utilizing Tableau Visualizations like bar graphs, scatter plots, pie-charts, maps, funnel charts, lollypop charts, donuts, bubbles, etc. and other making use of actions, other local and global filters according to the end user requirement.
• Extensive knowledge in various reporting objects like Dimensions, Measures, Hierarchies, Filters, Actions, Calculated Fields, Sets, Groups, Parameters etc.
• Good experience on LOD expressions Comparative Sales Analysis, Customer Acquisitions, etc.
• Hands on experience in embedding Tableau reports and dashboards on external websites using Java API scripting.
• Good knowledge on Embedded views of Tableau with web applications to integrate reports.
• Good experience in MicroStrategy Reporting - Templates, Filters, Metrics, consolidations, Prompts, custom group, and Datamart optimization of reports.
• Expertise in Agile Scrum Methodology to implement project life cycles of reports design and development
• Extensively involved in Reverse-Engineering and Business Rules Extraction Expert in project planning, strategic planning, systems analysis and troubleshooting, quality control, forecasting, scheduling and planning and tracking of results.
• Expertise in doing Unit Testing, Integration Testing, System Testing and Data Validation for developed ETL Mappings.
• Experience in guiding onshore/offshore development teams to build dashboard applications, developing templates and development framework, design standards and implementation plans.
• Excellent analytical, problem solving, communication and time management skills.

TECHNICAL SKILLS:

Analytical Tools: Tableau Desktop/Server, MicroStrategy, SSRS

ETL Tools: DataStage, Informatica, SSIS

Requirements Management: Microsoft Office (Word, PowerPoint Excel)

RDBMS and SQL Tools: Teradata, Oracle, SQL Server, Toad, SQL Assistant, SQL Plus

Code Management Tools: UC4, SVN, SharePoint, Quality Center

Methodologies: Kimball/Inmon, OLAP, Waterfall, Agile

Data Modeling Tools: ERwin, ER Studio, MS Visio

Operating System: Windows 2007, Unix

PROFESSIONAL EXPERIENCE:

Confidential, Needham, MA

Sr.Tableau Developer

Responsibilities:

• Gathered business requirements from end users, analyzed and documented the same for various reporting needs.
• Created views and dashboards based on requirements and published them to Tableau Server for Business and End User teams to be reviewed.
• Designed and developed mock-up Tableau Dashboards to explore options for visualization of data, presentation, and analysis.
• Generated Interactive Dashboards with Quick filters, Parameters and URL Actions to handle views more efficiently.
• Creating customized Tableau Dashboards, integrating Custom SQL from Teradata and SQL Server and performing data blending in reports.
• Moved reporting to Amazon Redshift and rewrote reports and dashboards in Tableau
• Identify key business metrics measurements and develop methods to represent data in support of the measurements.
• Assessed the Netezza environment for implementation of the ETL solutions.
• Coded Oracle and SQL database descriptions and specified identifiers of Oracle database to database management system or directs others in coding database descriptions.
• Mastered the ability to design and deploy rich Graphic visualizations with Drill Down and Drop down menu option and Parameterized using Tableau.
• Developed Geo/Area Maps to show number of patients for every zip code.
• Created groups, users and assigned permissions to users on Tableau server.
• Effectively used data blending, filters, quick filters, data source filters, global filters, context filters, actions, Hierarchies feature in tableau.
• Executed and tested required queries and reports before publishing.
• Provide guidance and insight on data visualization and dashboard design best practices in Tableau.
• Provided training on Tableau to the internal team.
• Participated in weekly meetings, reviews, and user group meeting as well as communicating with stakeholders and business groups.

Environment: Tableau (Desktop/Server) 10.x/9.x, MS SQL Server, Microsoft (Word, Access, Excel, Outlook)

Confidential, Indianapolis, IN

Sr.Tableau Developer

Responsibilities:

• Worked directly with client, data architects, business analyst and internal team members to understand and clarify reporting requirements / needs.
• Involved in Agile Methodology (Scrum) from requirements gathering to maintenance and monitoring the progress.
• Developed cross table, Bar chart, Tree map and complex reports which involves Property Controls, Custom Expressions.
• Developed materialized views for data replication in distributed environments.
• Extensively involved in migrating the data from Redshift to PostgreSQL.
• Formulated procedures for integration of R programming plans with data sources and delivery systems.
• Used custom SQL queries in many instances to pull the data from the PostgreSQL database.
• Created many data Visualizations in tableau based on the client’s requirements.
• Developed various interactive dashboards and published them on Tableau Server.
• Used ETL (SSIS) to develop jobs for extracting, cleaning, transforming and loading data into data warehouse.
• Created action filters, parameters and calculated measures for preparing dashboards and worksheets in tableau.
• Blendeddata frommultiple databases into one report by selecting primary keysfrom each databasefor data validation.
• Actively involved in the creation of users, groups, projects, workbooks and the appropriate permission sets for Tableau server logins.
• Provide guidance and insight on data visualization and dashboard design best practices in Tableau.
• Implemented advanced geographic mapping techniques and used custom images and geo coding to build spatial visualizations of non- geographic data using Java API scripting.

Environment: Tableau (Desktop/Server) 10.x/9.x, AWS, PostgreSQL, Amazon RedShift, Teradata, MS SQL Server, SQL, Teradata SQL Assistant, Java API, Microsoft (Word, Access, Excel, Outlook)

Confidential, Eden Prairie, MN

Sr.Tableau Developer

Responsibilities:

• Partnered with peers internal and external to the team to assess and recommend opportunities to derive additional Business Value out of existing Data Marts.
• Use advanced data visualization tools to provide an easy to understand interface for end users to quickly identify key themes within their data.
• Coded Oracle and SQL database descriptions and specified identifiers of Oracle database to database management system or directs others in coding database descriptions.
• Calculated optimum values for Oracle and SQL database parameters, such as amount of computer memory to be used by database, following manuals and using calculator.
• Prepared the complete data mapping for all the migrated jobs using SSIS.
• Used SSRS and SSIS for Reporting and Integration service
• Loaded data from various sources like MS Excel, MS Access, Flat Files to SQL Server using SSIS packages.
• Designed SSIS Packages to export and import data from Text files, CSV files and Excel Spreadsheets.
• Deployed, monitored, scheduled jobs and maintained SSIS packages.
• Specified user access level for each segment of one or more data items, such as insert, replace, retrieve, or delete data.
• Effectively managed cross-functional team (IT, commercial, and customer) to deliver a new real-time recommendation solution based on SQL/Python analytics, BI Dashboards, and mobile tablets.
• Specified which users can access databases and what data can be accessed by users.
• Creating customized Tableau Dashboards, integrating Custom SQL from Teradata and SQL Server and performing data blending in reports.
• Performed development activities from gathering requirements and designing solutions, through developing code / reports, to testing and release / deployment.
• Created extract files for improving the performance. Used different Mark types and Mark properties in views to provide better insights into large data sets. Created various types of charts to provide better visualization.
• Work on Mondrian OLAP Database which was deployed in cloud and exposed as an AWS.
• Connected Tableau to Hive and imported the data sets into tableau.
• Stretched Tableau limits to create unconventional Tableau charts such as Grouped Bar Charts, Donut Charts, Bar-in-Bar Charts, Gantt Charts, Bubble Charts, Histograms, Bullets, Heat maps and logical calculations to create groups.
• Embedded Tableau reports/dashboards on to the external web pages.
• Provide innovative solutions, and deliver improved upon methods of data presentation by focusing on the Business need and the Business Value of the solution.
• Looked for opportunities to improve current processes or find efficiencies by applying industry best practices for BI development
• Maintain thorough and rigorous documentation related to all ETL changes, Metadata, database server configuration, operation, and database change management.
• Generated Test Cases for each specification in Requirement Specification Document corresponding to each module.
• Performed Parallel Testing or Production Testing, which ensures that the new system will perform correctly in a production environment and interface correctly with other production systems.

Environment: Tableau (Desktop/Server) 9.x/8.x, AWS, MS SQL Server, SQL,Hive, Teradata SQL Assistant, Java API, Microsoft (Word, Access, Excel, Outlook),Python

Confidential, Thousand Oaks, CA

Sr.Tableau Developer

Responsibilities:

• Gathered business requirements from end users, analyzed and documented the same for various reporting needs.
• Created views and dashboards based on requirements and published them to Tableau Server for Business and End User teams to be reviewed.
• Designed and developed mock-up Tableau Dashboards to explore options for visualization of data, presentation, and analysis.
• Served as a liaison between the business and the IT department by conducting weekly calls/meetings with stakeholders, developers, QA Team, UAT Team to document any changes and apply them to Tableau reports as needed.
• Created side by side bar chart comparison of Vendors who were into Retail along with profit revenue generated.
• Worked with DBA to extract API data into SQL Server and connected to the same from Tableau for various reporting requirements.
• Generated Interactive Dashboards with Quick filters, Parameters and Actions to handle views more efficiently.
• Developed various dashboards, used Context filters, Sets while dealing with huge volume of data.
• Used parameters and input controls to give users control over certain values.
• Created Bullet graphs to determine profit generation by using measures and dimensions data from Oracle and MS Excel.
• Created Data extracts for better performance of dashboards and accessing data offline.
• MigratedTableaureports from the Windows server to AmazonAWScloud workspace.
• Scheduled data refresh onTableauServer for weeklyand monthlyincrementsbased on business change to ensure that the views and dashboards were displaying the changed data accurately.
• Integrated dashboards with live Connection in Microsoft PowerPoint.
• Developed and reviewed SQL queries with use of joins clauses (inner, left, right) in Tableau Desktop to validate static and dynamic data for data validation.
• Created reports using Custom SQL for complex report views.
• Participated in weekly meetings, reviews, and user group meeting as well as communicating with stakeholders and business groups.

Environment: Tableau (Desktop/Server) 9.x/8.x, Oracle 11i, Toad, SQL Server, SQL BI Suite (SSIS, SSRS), Java API, SharePoint, MS Visio, Microsoft Office Suite(Word, Excel, PowerPoint).

Confidential, St Louis, MO

Sr.Tableau Developer

Responsibilities:

• Gather and analyze the business requirements and then translate them to technical specifications.
• Partnered with peers internal and external to the team to assess and recommend opportunities to derive additional Business Value out of existing Data Marts.
• Worked on Business Intelligence standardization to create database layers with user friendly views in Teradata that can be used for development of various Tableau reports/ dashboards.
• Identify key business metrics measurements and develop methods to represent data in support of the measurements.
• Provide guidance and insight on data visualization and dashboard design best practices in Tableau
• Created different views in workbook to visually analyze data.
• Created extracts, published data sources to tableau server, refreshed extract in Tableau server from Tableau Desktop.
• Created Actions in Worksheets and Dashboards for interactivity and to compare data against different views like filter actions to send information to other tableau worksheets and to connect the same in analytical flows, URL actions to connect views of data to external resources and Highlight action to provide rich visual interaction between the views on the sheet.
• Combined visualizations into Interactive Dashboards and publish them to the web.
• Created groups and users in Tableau server.
• Worked on Performance tuning of report with huge queries using concurrent query execution for better performance of report.
• Embedded Tableau reports/dashboards on to the external web pages.
• Provide innovative solutions, and deliver improved upon methods of data presentation by focusing on the Business need and the Business Value of the solution.
• Looked for opportunities to improve current processes or find efficiencies by applying industry best practices for BI development
• Actively involved in the creation of users, groups, projects, workbooks and the appropriate permission sets for Tableau server logins.
• Maintain thorough and rigorous documentation related to all ETL changes, Metadata, database server configuration, operation, and database change management.

Environment: Tableau (Desktop/Server) 8.x, Teradata, SQL Server, Toad, Teradata SQL Assistant, JavaScript API, Putty, Quality Center, Microsoft Office Suite (Word, Excel, PowerPoint).

Confidential, Grand Rapids, MI

Data Analyst/MicroStrategy Developer

Responsibilities:

• Gather Business requirements, analyze business rules, merge and consolidate, key business data, explore source systems, Data quality issues, data cleansing of wire line and wireless systems
• Experience in business functionality implementations, developing Data Models, Data Warehouses, and Data Marts from logical models as per specific business requirements.
• Used Hybrid Model concept i.e Combination of STAR schema and SNOW FLAKE schema to reduce the complexity of the data model.
• Extensively used MicroStrategy Report Services to generate Report Documents.
• Designed dynamic flash integrated Dashboards in MicroStrategy Web to assess company’s performance and monitored the overall goals of the business
• Drill maps are used in the project to allow the documents drilling from one level to another both drill up and drill down
• Strong knowledge and understanding of SQL and ability to write SQL queries.
• Extensively worked in creating and integrating MicroStrategy reports and objects (Attributes, Filters, Metrics, Facts, Prompts, Drill Maps, Templates, Consolidation and Custom Groups) using MicroStrategy Desktop and Architect.
• Used Apply Functions in MicroStrategy like the ApplySimple & ApplyComparison whenever necessary.
• Extensively used VLDB (very Large Database) settings in MicroStrategy to tune the SQL query performance.
• Had a prominent role in creating Advanced Prompts, Metrics, Transformation Metrics and Level Metrics for making complex reports.

Environment: MicroStrategy 8.0.3/8.1.1 (Desktop, MicroStrategy Web, Object manager), DB2, Datastage 7.5.2, ERwin, ClearCase, ClearQuest, Shell Scripting, SQL and Windows 2000 Server/Professional

Confidential

Business Analyst

Responsibilities:

• Involved in requirement analysis and planning of delivering projects using Waterfall model
• Assisted developers and testing team with business cases and scenarios
• Planning and monitoring of project execution along with the senior management.
• Elicited requirements and elaborated with planning sessions to the team.
• Organized the requirements into a proper documentation and maintained development efforts
• Translated and simplified requirements to developers elaborately.
• Requirements management and communication with clients and onsite coordinators for executing projects.
• Prepared demo sessions for the development of projects to clients
• Created weekly status reports for different modules in the projects
• Used SQL, PL/SQL for database related functionality.

Environment: SQL Server, Quality Center, Windows XP, Excel Reports, MS Office Suite (Word, Excel, PowerPoint)