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Senior Tableau Developer Resume

Whippany, NJ

SUMMARY:

  • Over 9 years of extensive BI Experience in Enterprise Environment in Tableau 10.4/10.3 /10.2/10.0/9.3/9.1/8.2/8.0 , Business Objects and Qlikview as a BI Developer and Analyst.In - depth knowledge on Tableau Desktop, Tableau Server, Tableau reader, Tableau Cloud, Business Objects 4.1/3/1, Qlikview and designed several business dashboards and reports
  • Over 2 Years experience as a Python Developer in developing web based applications, software development and Data Analytics using Python, Django, XML, CSS, HTML
  • Experience in Tableau 10.4 as a BI Developer, Analyst and Admin. End to end involvement in designing and deploying data visualizations and creating Calculations, Formatting using Tableau Desktop
  • In-depth knowledge on Tableau Desktop, Tableau Server, Tableau reader and Tableau Cloud and designed several business dashboards and Story’s.
  • Expertise in Installation, configuration, upgrading and administration of Tableau Desktop/Server.
  • Expert in data visualization, Reporting, Analysis, Pie Charts Bar Charts, Cross Map, Scatter Plots, Geographic Map, Page Trails and Density Chart in Tableau Desktop
  • Having constant involvement in tasks such as back up recovery techniques, High availability, Security, Installation, Trouble shooting and Performance Tuning
  • Expert in configuration and development of different dashboards, reports utilizing Tableau Visualizations like bar graphs, pie-charts, scatter plots, geographic visualization and other making use of actions, other Local and Global Filters as per the end client requirement.
  • Worked on configuring reports from various Data sources using Data blending.
  • Expert in Tableau server commands to migrate workbooks and Tableau server backup, Debugging and monitoring.
  • Extensive knowledge in different reporting objects like Facts, Attributes, Hierarchies, Calculated fields, Transformations, filters, Sets, Groups, prompts, Parameters etc in Tableau.
  • Experience in Creating Power BI Dashboards using sources like SQL and SQL server
  • Used SAP HANA Business Layer Wizard automatically creates a data foundation and business layer based on selected SAP HANA views.
  • Used Analysis OLAP to create reports on top of HANA views.
  • Worked on Lumira to connect to the HANA views for visualization of KPI data.
  • Worked on Lumira datasets on the CMC to connect Lumira to the HANA views.
  • Used HANA studio for developing Attribute views, Analytical views and Calculation views.
  • Used HANA in memory computation to increase the performance of the operational and analytical reports
  • Experience in generating Drill through and Drill down reports with Drop down menu option using SSRS 2012 and Power BI
  • Extensive experience in designing, developing and delivering business intelligence solutions using Power BI, SSIS, Analysis (MDS) and Reporting services(SSRS).
  • Expertise in ETL tools like SQL Server Integration Services (SSIS) and Relational Database Management Systems..
  • Created interactive, tabular, graphical and free-form reports from relational, multidimensional, or XML-based data sources using SSRS.
  • Interfaced Python with Tableau using Tabpy for data visualizations
  • Experienced in Python to develop analytic models and solutions
  • Extensively used Python libraries Numpy, Scipy and Pandas for data Analytics
  • Extensive experience in using Python to code and design various phases for data processing pipeline.
  • Collaborated closely with quantitative scientist to learn and understand quantitative models and implement them in Python.
  • Extensively worked on statistical analysis tools and adept at writing code in Advanced Excel, R, MATLAB and Python.
  • Used R programming language for graphically analyzing the data and perform
  • Formulated procedures for integration of R programming plans with data sources and delivery systems
  • Worked on the improvement of Dashboard reports by creating KPI (key performance indicators) for the top administration.
  • Used AWS's Virtual Private Cloud(VPC) feature to set up a separate logically isolated network for to launch and run server.
  • Extensive working Experience with cloud platform development like amazon web services(AWS)
  • Designed and deployed multitude of applications utilizing the AWS stack (EC2, S3, RDS, Dynamo DB)
  • Designed and setup user security for the entire landscape to facilitate Windows AD login.
  • Used Tableau Cmd for various Dashboard migrations from one environment to another.
  • Setup of Distributed Server environments for optimum load balancing.
  • Used efficient load balancing techniques to manage the load on the server for concurrent user logins.
  • Created automated scripts for tableau workbook refresh when not using live connections
  • Experience with Tableau maintenance tools and Tableau server monitor to start/stop services and maintain statuses.
  • Experienced in managing schedules and scheduling workbooks and activities on Tableau Server
  • Created Operational Dashboards to track information throughout the course of daily operations, understanding the status of production, machine utilizations, web traffic, or other critical systems
  • Combined multiple data sources using blending in Tableau to keep track of sensor data, operator inputs, and real-time systems all in one dashboard.
  • Used Tableau’s flexibility to build a tabbed application with wide range of options like quick filters, calculated fields, dynamic interaction, flexible ad-hoc capability in various functional areas like finance, sales, marketing and HR
  • Used SAML for configuration of Tableau Server SSO supplementing Kerberos authentication on the side
  • Used Kerberos for user authentication thru Active directory (Win AD).
  • Used Sign in Method using the REST API for successful sign in operations
  • Setup of SSO between Tableau portal and Oracle.
  • Installed and setup cluster environment for Tableau server and used Jmeter for load balancing and load analysis
  • Using the command line tools and configuration utility on the primary server pushed the updates to the workers.
  • Used Kerberos for user authentication thru Active directory (Win AD).
  • Performance tuning for the Tableau Visualizations and Tableau server for more than 150 concurrent users.
  • Improved Reports performance in tableau using extracts and context filters.
  • Published Workbooks by creating User filters and sites (User groups, access) so that only appropriate teams can view it.
  • Created calculated fields to interact with parameters dynamically to visualize the data on the fly.
  • Used the Tableau Online sync application to schedule automatic refresh tasks for extracts of data and to maintain on local network.
  • Setup security profiles for various user groups and users using Tab admin and Tabcmd Tools.
  • Created various User groups by assigning row and column level security at application level, folder level and user level.
  • Configured the distributed Tableau Server environment for real-time replication and failover support.
  • Worked on setting permissions on content for specific users or group on a per site basis
  • Created sets and used them in the calculated fields to retrieve the specific data by combining multiple sets and visualize the data.
  • Participated in day to day activities like creating workbooks, dashboard, published on server.
  • Created cascading filters to filter the data within the hierarchy and prompt to specific filter that is applied by cascading.
  • Configured Tableau Server for SSO (Single Sign-On) using Kerberos authentication with key tab file.
  • Experience in Agile and Scrum (Scrum master) Methodology.
  • Capable of forming and keeping up positive and gainful working connections in interior/ external and team environments.

TECHNICAL SKILLS:

  • Tableau 10.4/10.3 /10.2/10.0/9.3/9.1/8.2/8.0 , Tableau Server, Tableau cloud, Tableau Online, Tableau Mobile, Tableau Public, Tableau ReaderSAP-BI, BW, SAP BOBJ 4.0/3.1, HANA
  • C, C+ +, Python, Visual Basic, ASP.NET, SQL, PL/SQL.Platform: UNIX, Win
  • UNIX, LINUX, Web Sphere, Apache/Tomcat.
  • Data Warehousing: BW 3.5, 3.1c, 3.0b, BI 7.0,
  • Oracle 9i/ 8i/7.3, MS SQL Server 2000/7.0/6.5 , Access, DB2, Teradata
  • ABAP/4 and Web Technologies
  • SAP R/3 4.7, 4.6c, 4.5b and 3.x.

EXPERIENCE:

Confidential, Whippany, NJ

Senior Tableau Developer

Responsibilities:

  • Involved in publishing of various kinds of live, interactive data visualizations, dashboards, reports and workbooks from Tableau Desktop to Tableau servers
  • Perform data/systems analysis to determine best BI solution (reports, dashboards, scorecards, data cubes) using Tableau
  • Worked on various Finance/Sales events and created integrated view for monthly, Quarterly and annual bookings/billing/backlog and revenue using Tableau desktop
  • Finance and Vendor budgets and tracking for Pilot projects
  • Created complex formulas and calculations within Tableau to meet the needs of complex business logic
  • Created new Data source and replaced with existed source. Created Schedules and Extracted the data into Tableau Data Engine
  • Blended data from multiple databases into one report by selecting primary keys from each database for data validation
  • Created different KPI’s based on marketing, operations, Payments risk and customers Analyzed KPI scoreboard and compared KPI trends
  • Formulated and documented ETL process design based on business requirements and system specifications including source to target mappings, data dictionaries and transformations
  • Functional lead role in defining the dashboard requirements and providing the best practices/approach to perform ETL and publish data to the reports/dashboards
  • Involved in designing Parameterized Reports and Report Models for generating Ad-hoc reports as per the client requirements.
  • Directly responsible for the extraction, Transformation and Loading of data Multiple sources of Data Warehouse
  • Informatica /ETL (Extract, Transform, Load) feeds from multiple sources
  • Develop and calculate Risk Management
  • Connected to SAP HANA in order to view, test and analyze data and used SAP HANA connector from Tableau to import the data and creating views.
  • Used SAP HANA to view, test modeled data and for data validation purposes before importing into Tableau, Used SQL console in SAP HANA SQL modeler for writing SQL queries to retrieve data and validate it.
  • Skilled at building and deploying multi-Valued parameterized reports using power BI, Tableau
  • Involved in deployment of project using AWS and Created S3 backup and moved objects to Amazon glacier for archiving
  • Worked on Project life cycle and Software Development Life Cycle(SDLC) methodologies including RUP, RUD, Waterfall and Agile
  • Experience in Dealing with various databases like Teradata, Oracle, DB2, SQL server, MS Access and Flat files
  • Used Python to build statistical models involving Linear Regression, Ridge Regression, Lasso Regression, ElasticNet Regression for estimating the risks of assets.
  • Wrote Scripts in Python using for extracting data from XML and JSON files
  • Used the Pandas API to put the data in tabular format for each timestamp data manipulation and retrieval.

Confidential, Tampa, FL

Power BI/ Tableau SME

Responsibilities:

  • This Project Supports design and Development of dashboards and reports, data discovery and analytics using Tableau Desktop and tableau Server for various Business units including CRM, Sales and Supply chain, Customer Analytics, Quality and Finance to provide them the insights
  • Created extracts, published data sources to tableau server, refreshed extract in Tableau server from Tableau Desktop.
  • Used different Mark types and Mark properties in views to provide better insights into large data sets.
  • Doing Predictive analytic researches for Citi groups on various important economic indicators and to determine the best foreign aids and Investment purposes
  • Designed, developed and tested various Power BI and tableau visualizations for dashboard
  • As a Power BI and tableau SME responsible for the design, development and production support interactive data visualizations used across the company
  • Expert in creating Dashboards Scorecards, Views, pivot tables, charts for further data analysis using Power BI desktop
  • Responsible for Creating SQL datasets for Power BI and Ad-hoc Reports
  • Expert in creating multiple kind of Power BI reports and Dashboards
  • Created Finance dashboard reports in Power BI creating data Models and reports with different visualizations. Managing the dashboard reports, user access security and implementing the row level security in reports .
  • Used HANA studio for developing Attribute views, Analytical views and Calculation views.
  • Used HANA in memory computation to increase the performance of the operational and analytical reports
  • Design, Create and modify ETL jobs using SSIS 2014 -2016
  • Developed ETL design, implementation process for data Extraction, Transformation and Loading
  • Created External filter, internal filter and Context filter to improve performance.
  • Used Data Blending, groups, combine fields, calculated fields, and aggregated fields and spotlighting to compare and analyze data in different perspectives.
  • Used Tableau and Google Analytics to analyze web traffic and make business decisions on the traffic coming from different locations.
  • Used the Tableau Web Data Connector JavaScript library to connect to the Google Analytics data without having pitfalls going directly with the GA connector
  • Involved in deployment of project using AWS and was responsible for maintenance and performance of EC2 instances
  • Created Actions in Worksheets and Dashboards for interactivity and to compare data against different views.
  • Used Python and Django creating graphics, XML processing, data exchange and Business logic implementation.
  • Used NumPy for numerical analysis and Matplotlib libraries part pf Scipy kit to do data analysis and plotting
  • Added support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud
  • Created Dashboards with interactive views, trends and drill downs.
  • Published Workbooks and Dashboards to the Tableau server
  • Combined visualizations into Interactive Dashboards and publish them to the web.
  • Created groups and users in Tableau server
  • Used commands in Tab cmd and Tab admin utility tool and migrated Workbooks and Dashboards from Tableau 7 to Tableau 9.2
  • Implemented new features in Tableau 9.2 to the existing Workbooks and Dashboards.
  • Created extensive documentation on the design, development, implementation, daily loads and process flow of the mappings and provided Knowledge Transfer to the end users.
  • Involved in installation and upgrade of Tableau Server and Server performance tuning for Optimization.
  • Involved in building Dashboards using parameters, sets, groups and calculations.
  • Designed Views in Tableau Desktop that were published to internal team for review and further data analysis and customization using filters and actions.

Confidential, NY

Senior Tableau Developer

Responsibilities:

  • Involved in creation/review of functional requirement specifications and supporting documents for business systems, experience in database design process and data modeling process.
  • Deep involvement with the design and advancement of Tableau visualization solutions.
  • Experience with creation of users, groups, projects, workbooks and the appropriate permission sets for Tableau server logons.
  • Connected to different appliances like Oracle, MySQL etc.
  • Used data base filters and context filters.
  • Preparing Dashboards using calculations, parameters in Tableau and Developing Tableau reports that provide clear visualizations of various industry-specific KPIs.
  • Access and change extremely large datasets through filtering, grouping, aggregation, and statistical calculation
  • Consult with customers and inside partners to accumulate necessities and set milestones in the research, advancement, and execution periods of the project lifecycle.
  • Understanding of Tableau features like calculated fields, parameters, table calculations, row-level security, R integration, joins, data blending, and dashboard actions.
  • Develop, organize, manage and maintain graph, table, slide and document templates that will allow for efficient creation of reports.
  • Involved in supporting other Tableau applications which includes creation and cosmetic changes of different
  • Migrate existing reports from Share-point\excel to Tableau Server by recreating them in batches.
  • Suggest alternate representation of existing reports to highlight the KPI in depth.
  • Interact with business analyst to gather ad hoc business requirements and designed functional and technical requirements documentation.
  • Provide master counsel to the Business Team on Best Practice design and visualization with Tableau.
  • Managed the migration of fixed income data mart from oracle to Tera data.
  • Partner with the Technology teams to deliver a stable and highly available reporting platform
  • Plan and implement the overall analytics and business intelligence strategy.

Confidential, Washington, DC

Senior Business Intelligence Developer

Responsibilities:

  • Design the dashboard application with multiple dashboards as required as per the security requirements.
  • Developed Life Cycle (SDLC) efforts required in order to deliver on EIM-related projects and deliverables and used these estimates to assign completion date and milestones for EIM-related deliverables, tasks, etc.
  • Developed the web-intelligence reports, provided a supporting role in building the universes
  • Ensured solutions meet the expectations of end users and train users
  • Gather and analyze the business requirements and then translate them to technical specifications.
  • Created different views in workbook to visually analyze data.
  • Effectively interacted with Business Analysts and Data Modelers and defined Mapping documents and Design process for various Sources and Targets
  • Worked on Performance Tuning of the Workbook and improved the performance of the report running for 15 min to 90 seconds execution time.
  • Effectively used data blending feature in tableau to get data from Sql Server & MS Excel
  • Converted WEBI Reports to Tableau Dashboards for Advanced Visualizations with ODBC connection
  • Created out of the box charts for complex end user Requirements. Converted Heat map to funnel chart, Pie chart to a donut chart, Bar chart to a waterfall chart and many others.
  • Executed and tested required queries and data before publishing Dashboard
  • Created action filters, parameters and calculated sets for preparing dashboards and worksheets in Tableau.
  • Publishing customized interactive reports and dashboards, report scheduling using Tableau server.
  • Administered user, user groups, and scheduled instances for reports in Tableau.
  • Extensive experience in Tableau Administration Tool, Tableau Interactive Dashboards, Tableau suite.
  • Worked in Tableau environment to create dashboards like weekly, monthly, daily reports using tableau desktop & publish them to server.

Confidential, Madison, WI

BI Developer

Responsibilities:

  • Actively involved in review meeting with project manager to make sure that development of projects meet system and business requirements for design, development, testing and production
  • Created Heat Map visualizing current service subscribers by color that were broken into regions letting business user to understand where we have most users VS Least users.
  • Involved in creating Duel-Axis bar chart with multiple measures
  • Blended data from multiple databases into a single report by choosing Primary keys from each Database for Data validation.
  • Generated report schedules on Tableau Server
  • Involved in creating Parameters, Actions, Local Filter, Global Filter and calculated sets for preparing dashboards and worksheets using Qlikview and Business Objects.
  • Have seen the factors involving the performance of the reports and coordinated in building Indexes to improve the query turnaround time efficiently.
  • Worked on creation of Users, Groups, Projects, Workbooks and the appropriate permissions sets for Tableau Server logins and security checks.
  • Exclusively used Tabadmin and Tabcmd commands in creating backups and restoring backups of Tableau repository
  • Performance optimization of the data warehouse by identifying and assisting in correcting EDW/BI performance bottlenecks and debug database, application or data content related issues
  • Schedule and maintain packages by daily, weekly and monthly in SQL server.
  • Updating Databases to ensure Data integrity and performed quality assurance checks.
  • Have scheduled Data refresh on Server for weekly and monthly increments based on business change to make sure that Views and Dashboards were displaying the changed Data accurately.

Confidential, Campbell, CA

JR Python Developer

Responsibilities:

  • Experience in analysis, design, development and maintenance of the web applications.
  • Built application logic using Python, Django and MySQL.
  • Worked with good enough third-party Django apps like South, djcelery and Django rest frameworks.
  • Created Shell scripts for build automation and deployment onto various environments without any manual efforts.
  • Used Tkinter to create Desktop applications to solve company’s internal problems.
  • Experience working with virtual environments like Vagrant.
  • Developed GUI using HTML, AJAX, CSS, JavaScript and jQuery.
  • Used RESTful Web Services in the application development.
  • Designed and developed data management system using MySQL.
  • Used Pandas library for statistics Analysis.
  • Coded test programs and evaluated existing engineering processes.
  • Designed and configured database and backend applications and programs.
  • Performed research to explore and identify new technological platforms.
  • Creating unit test/regression test framework for working/new code.
  • Responsible for debugging and troubleshooting the web application.
  • Developed, tested and debugged software tools utilized by clients and internal customers.
  • Coded test programs and evaluated existing engineering processes.
  • Designed and configured database and backend applications and programs.
  • Solved production issues at time of emergency.

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