PROFESSIONAL SUMMARY:

• 9+ years of experience in  Data warehousing  and  Business Intelligence technologies  along with strong experience of data visualization  using Tableau.
• Hands on experience on  Tableau 8.2/9/10 and Tableau Reader
• Expertise in performing development activities from gathering requirements and  designing solutions , through developing code/ reports to testing, release/deployment.
• Ability to analyze and dissect user requirements and build front - end BI applications to specifications.
• Worked extensively on  joining tables , multiple data connections using  blending , worked on Data  Extracts  and  managing queries .
• Mastered in using  Filters, sorts, groups and Sets, reference lines, Bands and Boxes  in different kinds of charts .
• In depth knowledge in Tableau  advance analysis  features like  Actions, Calculations, forecasting, Parameters and Trend lines.
• Mastered the ability to design and deploy  rich Graphic Visualizations   Parameters  using Tableau.
• Built  interactive dashboard  using techniques like  guided analytics  and  visual best practices  provided by Tableau .
• Worked on Tableau  administration tasks  such as  publishing   workbooks ,  setting   permissions ,  managingownerships , working with  Sites , providing access to the users and adding them to the specific  groups and Projects ,  Scheduling Refreshes and Subscriptions  in Tableau Server.
• Been part in writing technical requirement documents and low level design documents.
• Practical understanding of the Data Modeling Dimensional Relational concepts like  Star - Schema Modeling , Snowflake Schema Modeling,  Fact and Dimension  tables.
• Interact with Database, Informatica Administrators on environmental issues and work on fixing the issues.
• Experienced in requirement gathering/analysis, design, development, testing, and production support of reporting and analysis projects.
• Proficient in Oracle Database and  UNIX Shell Scripting .
• Involved in  Full Life Cycle Development of Reporting Projects , includes Requirements
• Involved in Gathering/ analysis,  Design, Development, Testing and Production  rollover.

TECHNICAL SKILLS:

Reporting Tools: Tableau8.2/ 9/10, Cognos 10/8

ETL Tools: Data Manager, Decision Stream, Informatica

Databases: Relational and hierarchical databases. Oracle, DB2, MySQL

Software Languages: Unix - Shell scripting, Java scripting

Hardware/Software platforms: Unix, Windows

QA Tools: HP Quality Center, JIRA for agile project management, Office Tools, Visio, SharePoint for collaboration

PROFESSIONAL EXPERIENCE:

Confidential, Parsippany, NJ

Sr Tableau Developer

Responsibilities:

• Created Rich dashboards using Tableau Dashboard and prepared user stories to create compelling dashboards to deliver actionable insights.
• Responsible for interaction with business stake holders, gathering requirements and managing the delivery.
• Connected Tableau server to publish dashboard to a central location for portal integration.
• Connected Tableau server with share-point portal and setup auto refresh feature
• Created visualization for logistics calculation and department spend analysis.
• Generate KPI for customer satisfaction survey results and disease management.
• Maintained Test log and Written Test Evaluation, Summary Reports.
• Extensively involved in doing user acceptance testing (UAT). Generated Test Cases for each specification in Requirement Specification Document corresponding to each module.
• Generated the test plan specifying an overview of testing approach, testing strategy, roles, responsibilities and its scope.
• Created Test Scripts, Test hierarchy to represent the features and functionality that need to be test in the application.
• Analyzed user and business requirements attended periodic meetings for changes in the application requirements and documents.
• 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.
• Participated in the User Acceptance Warranty Testing. Involved in doing security and negative testing of the application.

Tools: Windows 7, Tableau 9, tableau server, MS-Excel, SQL Server, SharePoint, Microsoft office, SQL-PLUS

Confidential, Gorton, PA

Senior Tableau Developer

Responsibilities:

• Responsible for interaction with business stake holders, gathering requirements and managing the delivery, covering the  entire Tableau development life cycle.
• Experience with creating Worksheets and Dashboard.
• Experience with Tableau for  Data Acquisition  and  data visualizations .
• Using Multiple Measures like  Individual Axes, Blended Axes, and Dual Axes .
• Worked on Bar charts, line Charts, combo charts, heat maps and incorporated them into dashboards.
• Experience with  Sorting , Building  Groups  and using in visualizations.
• Worked on  Global, local and Context filters .
• Used parameters to make dashboards dynamic.
• Worked extensively with  Date, String and Logical Functions .
• Created  Inventory trends ,  sales  integration and  forecast  accuracy related dashboards
• Worked closely with ETL team for various Data sources issues
• Interacted and worked with ETL team for improving performance on data from multiple data sources
• Used ETL efficiently for complex joins of various scenarios
• Provided User training for the various dashboards.
• Worked with ETL team for performance improvement using custom SQLs.

Tools: IBM data manager, Tableau 9.0, SQL, Oracle 10g, Windows/UNIX

Confidential, San Francisco, CA

Lead Tableau Developer

Responsibilities:

• Designed, developed, tested, and maintained Tableau functional reports  based on user requirements.
• Mastered the ability to design and deploy  rich Graphic visualizations  using Tableau.
• Converted existing Cognos reports into tableau dashboards
• Developed Tableau data visualization using  Pareto's, Combo charts, Heat maps, Box and Whisker charts, Scatter Plots, Geographic Map, Cross tabs, Histograms etc.
• Developed  donut charts  for analyzing sales planning data.
• Created different  KPI's  using  Table calculations  and  calculated key figures  Manipulating strings, arithmetic calculations, aggregation options and Logical functions
• Worked extensively with Advance analytics like  Reference Lines and Bands, Trend Lines.
• Expertise in working with data building  Groups, Hierarchies and sets.
• Mastered in different  Formatting  techniques, using  Annotations  and  Mark labels .
• Developed effective and interactive Dashboards using  Parameters  and  Actions
• Strong Dashboard design experience and passionate practitioner of effective data visualization. Familiarity with best practices around visualization and design.
• Provided Production support to Tableau users and Wrote  Custom SQL  to support business requirements.
• Published and shared views on Tableau server.
• Scheduled  extract refresh and subscriptions .
• Also involved in administration tasks such as creating and managing  Sites , Setting  permissions, managing ownerships and providing access to the users using  user filters  and adding them to the specific group.
• Advocate the use of Tableau solution and help educate business users to facilitate early adoption of the tool.
• Assisting users with questions and issues using Tableau. Working with various infrastructure teams and Tableau support team to help improve dashboard response time.
• Worked closely with Business users. Interacted with ETL developers, Project Managers, and members of the QA teams.
• Ability to work effectively in team environment and interact with all levels of management

Tools: Tableau 9.0, Cognos 8.4 reporting

Confidential

Tableau Developer

Responsibilities:

• Created dashboards for analyzing  POS data  using  Tableau 8.0  on top of SAP HANA.
• Developed dashboards for POS use cases  to understand new product launch, promotion effectiveness, trend detections, Seasonal forecasting and cannibalization.
• Created  Scatter Plots ,  Stacked Bars, Box and Whisker plots using reference, Bullet charts, Heat Maps, Filled Maps and Symbol Maps ,  Pareto charts   to deliverable specifications.
• Extensively worked on different types of filters.
• Expert level capability in  table calculations  and applying  complex, compound calculations to large, complex big data sets
• Used  trend lines  extensively for correlating different KPI's for new product launches.
• Created  custom Function's   Date range, Time functions, Logical functions  in the reports.
• Scheduled  extract refresh and subscriptions  for weekly and monthly reports.
• Integrated Tableau dashboards into internal web portal using  Java Script API .
• Worked on administration tasks like adding  workbook Permissions, Ownerships and User filters.
• Consistently attended meetings with the client subject matter experts to understand functional business requirements.
• Provided user trainings on the key dashboards
• Provided detailed documentation on the Analytical deliverables
• Used Industry standard design templets for POS use case analysis.

Tools: Tableau Desktop 8.0, Tableau server / Administrator, SAP HANA, SQL Server 2008, Windows/UNIX, Oracle

Confidential

Tableau Developer

Responsibilities:

• Analysis of existing Impromptu Reports
• Analysis of change in Database Source from Spectrum to Impact and data mapping documentation for changing
• Analysis of Impromptu Reports that uses SP to do complex processing and fetch data and redesigning Cognos 8 Reports (without using stored procedure) to use the newly designed table and to do calculation and business logic in the report itself.
• Analysis and design for additional enhancement changes on 18 reports.
• Developed 18 List Reports using Report Studio
• Cognos 8 BI Report Studio Design document preparation and Reports Development
• Development of new reports as per Business requirement
• Unit Test case preparation and Testing
• Support for QC testing.
• Project quality assurance activities such as Design document review, Code review and Test Document Review.
• Requirement Analysis and Data Mapping between Reports and reporting database.

Tools: Cognos 8 BI Report Studio, DB2, Cognos 7.3 Impromptu, DB2