Tableau Developer
Resume:
Nozizwe Petronella Maphosa
Indianapolis IN
adjtp2@r.postjobfree.com
Tableau Developer
SUMMARY
Nozizwe is a US permanent resident with over 6 years of experience working with various versions in Tableau, Tableau Desktop, Tableau Server, Tableau Reader, Tableau Online and Tableau Public
Extensive experience in working with business users, senior managers, and teammates to gather business requirements.
Met with business analysts to discuss business requirements and convert them from functional into technical requirements.
Created various interactive dashboards and Storylines with different visualizations using Tableau Desktop
Created parameters, calculated fields, table calculations, sets, groups and filters using Tableau desktop
A versatile, dynamic, and accomplished professional with solid academic background eager to work and develop in a Tableau environment.
Worked with data Sources including ORACLE, MY SQL Server, IBM and Excel Files
Involved in initial design phase through production implementation release of Tableau projects which includes requirement gathering, design, development, testing UAT and Publishing
Created customized dashboard layout in order to neatly fit and present Tableau Visualizations to the customers.
Demonstrated knowledge in dealing with various reporting functionalities like creating actions, formatting, filters, scheduling, customization, conditional formatting of reports to satisfy the end users.
Managed dashboard and request security/privileges as per business requirements.
Created numerous reports and dashboards with drill-down and navigation capabilities.
Administered the entire Tableau application. Implemented Row Level security, managed access to the visualizations through roles and permissions.
Used SQL to test queries to be used in creating calculated fields in tableau desktop
Used SQL to check data comparing with the results in tableau for troubleshooting if there is data mismatch on the report and compare with the database using SQL
Used SQL to do gap analysis check the columns and fields before creating a workbook in Tableau
Used SQL to check row count and to check the data types using describe option
Involved in end user training of visualizations, Dashboards and Tableau functionality.
Implemented security by creating users and assigning them to groups to set permissions
Expertise in Managing performance by use context filters and my repository
Worked in Agile and Waterfall Environments
Von Maur Inc (Retail Company) - Remote
Job Title: Senior Tableau Developer
From: March 2019 to Present
Experience
Met with business analysts and teammates to discuss business requirements and convert them from functional into technical requirements
Developed a variety of customized business visualizations in different views (bar graphs, pie charts, maps, Dual Axis, funnels, text tables, heat maps, histograms, tree maps, scatterplots, and more).
Created filters to limit data being shown in reports.
Designed and customized reports and interactive dashboards with conditional formatting to increase user experience.
Hands on experience in Tableau testing, visualization data validation based on SQL results.
Used sorting in reports to help certain data be sorted in ascending or descending order.
Held presentations with clients and showcased our development work and made changes as directed by users.
Created connections, joined tables, used data blending, and created various report visualizations using Tableau
Created Hierarchies using Tableau desktop to enable drill down capabilities for users
Created parameters, calculated fields, table calculations, sets, groups, and filters using Tableau desktop
Used Tableau Formatting to manipulate visualizations according to user requirements
Used Aggregation and Level of Detail expressions in Tableau
Published dashboards to the Tableau Server
Trained team members and users on Tableau functionality
Regency Hotels & Leisure Group (Zimbabwe)
Job Title: Tableau Developer
From: February 2015 to February 2018
Experience
Met with business users, business analyst to gather business requirements.
Worked with business analyst, team lead, and team members to convert functional requirements into technical requirements.
Worked with the ETL and DBAs to make sure we had everything we needed from our Data warehouse.
Created Aliases for different tables using standard naming conventions in the data source
Developed dimensional hierarchies for drill-down purposes in reporting.
Created subject areas, presentation tables/columns in the Presentation layer.
Developed a variety of customized business reports in different views (graphs, charts, gauges, funnels, tables, and more).
Created filters to limit data being shown in reports.
Designed customized dashboards with dashboard Actions, implementing styles like conditional formatting and enhancing dashboards to increase user experience
Managed security by creating users and assigning them to their respective groups in the Tableau Server
Regency Hotels & Leisure Group (Zimbabwe)
Job Title: Junior Tableau Developer
From: January 2014 to February 2015
Developed Tableau visualizations and dashboards using Tableau Desktop
Building, publishing customized interactive reports and Dashboards
Scheduled reports using Tableau Server
Created Action filters, parameters and calculated sets for dashboards and worksheets in Tableau
Used sets and groups to create visualizations
Created customized calculations, conditions, Filters for various Analytical visualizations and dashboards and storylines
Regency Hotels & Leisure Group (Zimbabwe)
Job Title: OBIEE Developer
From: April 2012 to February 2015
Met with business users, business analyst to gather business requirements.
Worked with business analyst, team lead, and team members to convert functional requirements into technical requirements.
Worked with the ETL and DBAs to make sure we had everything we needed from our Data warehouse.
Created connection pools, through process of importing tables from the database into RPD.
Used the Update All Row Count feature of the Admin tool, to make sure my connection pool was working.
Created Aliases for different tables using standard naming conventions in the Physical layer of the RPD.
Joined Facts and Dimension tables thereby creating Star and Snowflake Schemas, as per data model and business requirements.
Created business models in the BMM layer and populated it with tables and columns from the physical layer.
Used the rename wizard in the BMM layer to make sure the first letter of each word is capital and take off spaces and underscores off tables.
Developed dimensional hierarchies in the BMM layer for drill-down purposes in reporting.
Modeled time series models using function formulas within the expression builder.
Created logical columns with calculations to help fulfill business requirements using expression builder.
Created Level based measures to pin certain measures to other levels of hierarchies.
Created subject areas, presentation tables/columns in the Presentation layer.
Re-ordered tables/columns in the presentation layer as per business requirements.
Checked for global consistency for errors, warnings and best practice violations.
Deployed finished RPD into Analytics via Enterprise manager, to get ready for report development.
Extensive experience working in WebLogic Admin Console/Enterprise Manager/Analytics in OBIEE.
Developed a variety of customized business reports in different views (graphs, charts, gauges, funnels, tables, and more).
Created filters and prompts to limit data being shown in reports.
Designed customized dashboards with dashboard prompts, implementing styles like conditional formatting and enhancing dashboards to increase user experience.
Created agents, action links to enhance reports for user usage.
Managed security by creating users and assigning them to their groups and created application roles in the Enterprise Manager.
Managed performance by using caching and aggregate tables to speed query response times.
Environment
Tableau versions 8.0.6, 9.1.4,10.0.3/5, 10.4.2, 2018.2.5,2019.1.4, 2019.4.5
Oracle 11g, OBIEE 12c
SQL Developer
Windows 7
Education
Bachelor’s degree in Marketing/IT from Great Zimbabwe University
Certification
Oracle Business Intelligence Foundation Suite 11g – Oracle University
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