Luxoft is an international custom software development company with more than 13,000 employees, 42 offices in 21 countries in North America, Mexico, Western and Eastern Europe, Asia Pacific, and South Africa. It is incorporated in Tortola, British Virgin Islands, has its operating headquarters office in Zug, Switzerland, tax domiciled in London, and is listed on the New York Stock Exchange.
Position: Senior Tableau Developer
Design, develop, test and deploy new Tableau dashboards.
Research source data and design queries that bring data into Tableau.
Interact with and present to clients throughout the development process.
Contribute to and help define team best practices around report development, testing, access management, and report refresh scheduling.
Creation/enhancement of reports and dashboards.
Use of calculated variables.
Use of custom formatting.
Report scheduling, including event-based triggers.
Automation of refreshes and delivery.
Proficient in BI tool administration functions including:
Management of user security/access
Data mapping/catalog changes (semantic layer)
Archive and purge activities
Performance tuning assessment and implementation
Other tool maintenance, including installation of patches
Familiar with data warehousing concepts and constructs, including star schema data models to be able to recommend aggregated data structures or calculated data elements in order to optimize report/dashboard performance.
Having good understanding of Tableau architecture, design, development and end user experience.
Extensive experience in Tableau Desktop, Tableau Server and Tableau Reader in various versions of Tableau 8.x/9.x+
Involved in reviewing business requirements and analyzing data sources form Excel/Oracle SQL Server/SAP BW for design, development, testing, and production rollover of reporting and analysis projects within Tableau Desktop.
Worked closely with 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.
Create Prompts, Calculated Fields, customize Calculations, Conditions and Filter (Local, Global) for various analytical reports and dashboards.
Create and modify Interactive Dashboards and Creating guided navigation links within Interactive Dashboards.Effectively used data blending, filters, actions, Hierarchies feature in tableau.
Extensive knowledge in various reporting objects like Facts, Attributes, Hierarchies, Transformations, filters, prompts, Calculated fields, Sets, Groups, Parameters etc., in Tableau.
Worked on the development of Dashboard reports for the Key Performance Indicators for the top management.
Building, publishing customized interactive reports and dashboards, report scheduling using Tableau server.
Administer user, user groups, and scheduled instances for reports in Tableau.
Strong understanding of Data warehouse concepts, ETL, Star Schema, Snowflake, data modeling experience
Experience with Tableau Server installations, configuration, and administration
Strong technical background with complete understanding of data warehouse modeling, architectures, OLAP, OLTP data sets, etc.
Experience joining and blending multiple data sources and file formats
Familiar with accessing data stored on Big Data platforms (e.g. Hadoop, NOSQL) for data analysis and presentation purposes.
Familiarity with performance tuning SQL, including use of explains plans, partitions, hints etc.
Proficient in use of SQL (Oracle DB 11g / 12c)
User End - Tableau Desktop Professional 9.3
Front End - Tableau 9.3
Batch scripts (Native) / Windows Powershell (Advanced) scripts to carry out the data refresh in Tableau
Data Refresh Incremental Vs Full Refresh
Control^M Batch Scheduler
Familiar with Tableau upgrade to version 10.x from existing version 9.X