Sr. Tableau Developer Resume
Boise, ID
SUMMARY
- 8+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 10 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.
- 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.
- 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, Boise, ID
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.
- Identify key business metrics measurements and develop methods to represent data in support of the measurements.
- 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.
- 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) 10.x/9.x, Teradata, MS SQL Server, SQL, Teradata SQL Assistant, Java API, Microsoft (Word, Access, Excel, Outlook).
Confidential, Pleasanton, 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.
- 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 - Indianapolis, IN
BI Data Analyst / Tableau Developer
Responsibilities:
- Analyzed various reports, dashboards, scorecards in MicroStrategy and created the same using Tableau desktop.
- Mentored business power users to create reports/dashboards using tableau desktop.
- Designed and developed various analytical reports from multiple data sources by blending data on a single worksheet in Tableau Desktop.
- Utilized advance features of Tableau software like to link data from different connections together on one dashboard and to filter data in multiple views at once.
- Data collection and leveraging on data manipulation teams for required data.
- Developed complex SQL scripts for Teradata database for creating BI layer on DW for tableau reporting.
- Dashboard Visualization through Tableau BI application.
- Building, publishing customized interactive reports and dashboards, report scheduling using Tableau server.
- Created actions, parameters, Filter (Local, Global) and calculated sets for preparing dashboards and worksheets using Tableau.
- 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.
- Working extensively using Excel to validate the data and use as the source data files.
- Hands-on development assisting users in creating and modifying worksheets.
- Publish the developed dashboard, reports on the Tableau Server so that the end users having access to the server can view the data.
- Design and development of various reports and dashboards that can be easily accessible through Tableau App in iPads, iPhones, and other smart mobile phones.
Environment: Tableau (Desktop, Server),MicroStrategy, Teradata, Teradata SQL Assistant, SQL, PL/SQL, MS Project, MS Office Suite (Word, Excel, PowerPoint).
Confidential, West Chicago, IL
BI Consultant (MicroStrategy, Tableau)
Responsibilities:
- Gathered business requirements from the business users and documented the specifications
- Implemented Star Schema to fit reporting, query and business analysis requirements
- Created Derived metrics, Compound Metrics and Filters, Filter in a metric- for very complex reports
- Involved in creating new Facts, Attributes and Attribute form expressions, Hierarchies as needed in the project
- Created the design document, personalized the reports as per user requirements that included customizing and formatting
- Created Intelligent cubes to reduce the database load and decrease the report execution by using the Cube Services
- Developed Dashboards in various formats; tables, gauges and dials, for business analysis
- Created Advanced Dashboards with panel stacks, complicated grids and graphs, customized widgets both in flash and Interactive modes
- Developed reports, dashboards, SQL queries using Tableau
- Synthesized and translate Business data needs into creative visualizations in Tableau
- Performed Tableau administration tasks like creation of users, groups, projects, workbooks and permission sets for Tableau server logons and security checks
- Assisted with best practices during implementation and integration of Tableau Platform
- Created several base formulas (mathematical expressions) using existing facts in MicroStrategy Agent that can be re-used to build any number of metrics
- Provided various management levels with reports, analysis time series graphs and Bar Graphs using Micro Strategy Web
- Involved in moving the objects between two projects and two different environments by using Object Manager and resolve conflicts between environments by using conflicts resolution window
- Involved in Administration tasks like creating users, assigning privileges, caching, specifying Query Governing Thresholds, and Report optimization
- Played an important role in coordination with the entire team and managing the time estimates for the entire project.
Environment: MicroStrategy 9.x (Desktop, Web, Intelligent Server, Narrowcast Server), Oracle 10g, Tableau 7x, Informatica, SQL Server, SharePoint,.
Confidential, Houston, TX
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)