SUMMARY:

• Around 6+ years of experience in Design, Development, Integration, Implementation and Maintenance of Business Intelligence and Data Warehousing Platforms.
• In depth knowledge of SDLC phases such as Requirement analysis, design, development, implementation, deployment and maintenance with strong understanding of methodologies like Waterfall, Iterative& Incremental, Evolutionary prototyping and Agile.
• Extensive knowledge in dealing with Relational Database Management Systems, including Normalization, Stored Procedures, Constraints, Querying, Joins, Keys, Indexes, Data Import/Export, Triggers, Cursors.
• Experiences on Tableau 7.x, 8.x, 9.x, 10.x tools include Tableau Desktop, Tableau Reader, Tableau Public, and Tableau Server.
• Skilled Table au front - end BI developer integrated with multiple back-end databases and other various data sources
• Proficient in design and development of various dashboards, reports utilizing Tableau Visualizations such as bar graphs, scatter plots, pie-charts, maps, funnel charts, lollypop charts, donuts, bubbles, etc. making use of actions and other local and global filters according to the end user requirement.
• Extensive knowledge in various reporting objects such as Dimensions, Measures, Hierarchies, Filters, Actions, Calculated Fields, Sets, Groups, Bins, and Parameters etc.
• Experience in creating workbooks and dashboards using Tableau that includes tools like Tableau Desktop, Tableau Server and Tableau Reader
• Excellent understanding of Business Requirements Gathering, Translating Requirements into Specifications and Application Design.
• Developed dash boards with rich Graphic visualizations, Drill Down and Drop-down menu options, parameterized using Tableau.
• Proficient in migrating workbooks between different environments in Tableau server using Tabcmd
• Experience in Tableau Projects (involved in the complete lifecycle from requirement gathering, data modeling - scripting, developing and testing dashboards using Tableau)
• Possess strong knowledge of database management in writing SQL queries using complex joins, grouping, aggregation, nested sub queries, and resolving key performance issues.
• Excellent interpersonal and customer relational skills. Proven communication, presentation skills and leadership qualities.
• Knowledge to design right solutions with appropriate combination of Azure and custom technologies for deploying on Azure cloud.
• Ability to handle multiple tasks and work independently as well as in a team.
• Built data warehouse for Microsoft Adventure works 2012 database
• Created a Star Schema (Facts & Dimensions) using Extract, Transform, Load process (SSIS).
• Developed & loaded a dimensional model Data warehouse which is useful for OLAP purposes.
• Wrote complex SQL queries and generated different reports and graphs.

TECHNICAL SKILLS:

Business Intelligence: Tableau 7.x, 8.x, 9.x, 10.x, Tableau Desktop, Tableau Reader, Tableau Server, Informatica, Alteryx, Power BI

Languages: Python, Oracle SQL, R, SAS, Shell Scripting, SQL-queries

Other ETL/Reporting Tools: SSIS, DTS, Asset Control BI, Informatica Power Center, R Studio, Microsoft Azure ML, JMP, Minitab, SQL Server Reporting Services (SSRS), Crystal Reports

Databases: Oracle 8i/9i/10g/11g, SQL Server 2000/2005/2008 , DB2, MySQL, Azure

Operating Systems: Windows 98/XP/7, Windows NT/2000, Server 2003, Vista,7, Unix, Linux

Tools: Toad, SQL Plus, SQL Developer, SQL Server Management Studio, SQL Workbench, SAS/ES, Anaconda, Oracle, SQL Server

FTP Tools: FileZilla, CuteFTP, Putty, FTP Commander

Applications: Advanced MS Excel, MS Visio, MS Access, Adobe Dreamweaver, Apache Cordova, Spyder 3

WORK EXPERIENCE:

Confidential, Sunnyvale, CA

Tableau Developer/Business Analyst

Responsibilities:

• Captured requirements by white boarding with BA's and Product Managers
• Developed clutter free Tableau dashboards for various product lines and departments
• Set up tableau data sources and refresh schedules in server
• Played many key roles in this project like Developer, Analyst, Level 3 (L3) support.
• Designed clean, easy to use, intuitive dashboards considering end user needs
• Effectively utilized Tableau features like parameters, calculated fields, filters to provide efficient data visualization solutions to the customer.
• Effectively used Tableau Marks to visualize data
• Used Custom SQL to manage complex data requirements from legacy systems and OLTP/OLAP systems
• Upgraded the existing server version to Tableau 10.4 and successfully migrated existing workbooks and data sources
• Worked extensively in creating dashboards using Tableau Desktop and published them on Tableau Server. Involved in the administrative tasks of Tableau server like installations, upgrades, user & user groups creation and set up of security features
• Tableau dashboard layouts were effectively used to give interactive visual analysis experience to the end user.
• Handled the huge data volume by using Tableau extracts
• Used advanced concepts - blending, LOD to meet the customer requirements
• Used dashboard filter actions, forecasting, table calculations to meet user requirements.
• Scheduled data refresh on Tableau Server for daily and monthly increments
• Experience in setting up and using background image as Map
• Worked with the data architects and ETL team to finalize the data model and transformations for the data mart
• Assisted QA team in understanding business process and helped them in successful completion of Unit Testing and Integration Testing
• Defined and used best practices for Tableau UI design
• Coordinate with user to gather the reporting requirements.
• Involved in building the ETL architecture and Source to Target mapping to load data into Data warehouse.
• Created mapping documents to outline data flow from sources to targets.
• Extracted the data from the flat files and other RDBMS databases into staging area and populated onto Data warehouse.
• Extraction, Transformation and Loading (ETL) of data by using SSIS.
• Extracted source data from flat files, Oracle and loaded to Dimensions in Oracle.

Environment: Tableau Server, Tableau 9.x, Tableau 10.4, ETL, SQL Server, Oracle 10, Microsoft Office Suite (Word, Excel, Power Point)

Confidential, Chicago

Tableau Developer

Responsibilities:

• Website Design/Development using WordPress
• Worked on a Project using Microsoft Access to create a Customer Tracking System to track customers, their status and information.
• Requirements Gathering and Analysis for the Customer Tracking System.
• Gathered requirements from users and created requirement documents.
• Involved in the administration tasks of Tableau server like installations, upgrades, user, user groups creation and setting up security features.
• Extensively gathered information by conducting walkthrough, workshop, brainstorming sessions and surveys. Identified the business requirements, analyzed and prioritized these requirements that should be included in advantage.
• Worked with database connections, joins, cardinalities, loops, aliases, views, aggregate conditions, parsing of objects and hierarchies.
• Extensively used various techniques like Multiple Breaks, Sorting, Ranking, Report Filtering, Query Filtering, Alters and sections, if conditions while developing and creating the report’s.
• Prepared technical documentation for the reports in the process of migrating from development to production Environment.
• Also worked on querying /pulling data extracts (using SQL Server / MS Access) during the Data Cleansing / Migration phase of the project.
• Developed advanced queries using SQL to deliver or improve; process automation, data integrity, and adherence to business rule requirements.
• Managed & worked on secured Access databases. Creation of Access Forms (using VBA code) to update Oracle database & to pull reports as per requirements.
• Creation of customized Excel reports using VBA code with Access & Oracle databases as the Data source

Environment: MS Access, Tableau, SQL, Oracle, WordPress, MS Excel, Tableau Desktop 10, Microsoft Office (Word, Excel, Power Point)

Confidential, Chicago

Business Intelligence Developer/Tableau Developer

Responsibilities:

• Interacting with business stakeholders to understand their decision-making parameters, analyzing the available data to build Tableau Dashboards and managing the delivery
• Using Tableau, created multiple rich dashboards visually telling stories of the business status, strength & weakness, potentials etc., also interact with data as necessary
• Provided BSC to the management analyzing KPI from Financial, Customer, Internal process.
• Embedded live Tableau dashboards on PowerPoint presentations, keeping the slides always updated
• Delivered dashboards tracking viewership, HUT and Advertising sales for a Media channel.
• Setup stand alone and distributed Tableau Server to publish and distribute dashboards easily
• Participated in discussions for Tableau Server architecture design on Cloud, enhancing performance, scalability and high availability
• Understanding of considerations for large scale architecting, solutioning and operationalization of data warehouses, data lakes and analytics platforms on AZURE.
• Participated in regular Technical Reviews, Defect review and walkthrough meetings with important project & business stakeholders throughout the project life cycle.
• Developed Stored Procedures, Functions, Packages and SQL Scripts using MS SQL.
• Designed and developed various SSIS packages (ETL) to extract and transform data and involved in Scheduling SSIS Packages.
• Created SSIS Packages/projects to move data from source to destination by using Visual Studio 2012
• Developed and reviewed custom SQL queries with use of joins clauses (inner, left, right, full) in Tableau desktop to validate and reconcile data.
• Created various complex SQL Queries, Stored Procedures, CLR Procedures, Views, Cursors and User Defined Functions to implement the business logic.

Environment: Tableau 9.x, Tableau Desktop, Tableau Server, Oracle DB, MySQL Server, Microsoft Office

Confidential

Business Intelligence (BI) Developer

Responsibilities:

• Had the opportunity to add numerous products to Confidential ’s online catalog
• Communicating to the Vendor regarding any issues/difficulties or products they want to sell on Confidential
• Verifying product information and creating ASINs (unique ID) before setting up the product online.
• Advanced Microsoft Excel Skills in handling the data related to product and vendors
• Coordinated with client’s BI teams to deploy Tableau workbooks to Tableau servers owned by the BI team environments.
• Experience in validating and Analyzing data in worksheets using sorting, filtering, Vlookup, Hlookup, creating PIVOT tables and PIVOT charts, Index techniques.
• Creating user friendly reports in MS Excel (Highly proficient in pivot tables, v-lookups, linking of sheets, charts etc.),
• Involved in analyzing the data using PIVOT tables, Vlookup in excel sheet by saving reports in excel format from WEBI.

Environment: Business Intelligence (BI), Tableau, Microsoft Office

Confidential

Software Developer/Analyst

Responsibilities:

• Worked on multiple Mobile applications, games and simulations.
• Built, Tested and Deployed high level client projects.
• Worked as part of the team for gathering and analyzing the requirements.
• Handled projects individually and independently.
• Involved in the complete lifecycle of projects from requirement gathering, designing, developing and testing the application.
• Experience adding various plugins, ads etc., for the application.
• Performed optimization to improve speed, size and efficiency of the application.
• Hands on knowledge in porting mobile application to different platforms (using Unity).
• Used C# and JavaScript within Unity to develop the application.
• Performed debugging and testing on several projects to meet the deadline and align with the firm’s need.
• Handled Game Play Programming to improve the design and game play of the application.
• Worked on multiple projects at the same time within the team and handled multiple tasks.
• Involved in the development of custom stored procedures, functions.
• Involved in the optimization of SQL queries which resulted in substantial performance improvement for the conversion processes.
• Developed SSIS Packages for migrating data from different Staging Area.
• Implemented the Master Child Package Model for easier maintenance and better performance of SSIS Packages.
• Handled Full load and refresh load via staging tables in the ETL Layer.
• Installed and administered Microsoft SQL Server, SQL Server Integration Services, SQL Server Reporting Services, and Team Foundation Server.

Environment: Unity3D, C#, JavaScript, C++, Microsoft Visual Studio, Notepad++, UDK, Asset Control DW Solution, Oracle DB, MySQL DB, Unix, MS Excel, Tableau