Karthik V.

Karthik V. Email and Phone Number

Sr. Business Intelligence Developer (Tableau developer) @ Adtran Inc
Philadelphia, PA, US
Karthik V.'s Location
Greater Philadelphia, United States, United States
About Karthik V.

Karthik V. is a Sr. Business Intelligence Developer (Tableau developer) at Adtran Inc.

Karthik V.'s Current Company Details
Adtran Inc

Adtran Inc

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Sr. Business Intelligence Developer (Tableau developer)
Philadelphia, PA, US
Employees:
8
Karthik V. Work Experience Details
  • Adtran Inc
    Sr. Business Intelligence Developer (Tableau Developer)
    Adtran Inc
    Philadelphia, Pa, Us
  • Adtran Inc
    Sr. Lead Tableau Architect
    Adtran Inc Aug 2021 - Present
    • Worked with the Business Analyst, Provider management teams, Outreach teams for gathering reporting requirements.• Created visualization prototypes based on the reporting needs in the initial stages and demonstrated them to business to collect feedback.• Created Tableau data visualization using Bar graphs, Pie charts, line graphs, Tree maps and heat maps, and tabular graphs.• Developed Executive Level Tableau dashboards to identify the overall costs, expenses and KPI's of the industry by using BI tool Tableau 2018.1. • Assisted in mining data from the SQL database that was used in several significant presentations.• Projected and forecasted future growth in terms of number of subscribers based on upgrading to LTE by developing Area Maps to show details on which states were connected the most.• Converted charts into Crosstabs for further underlying data analysis in MS Excel.• Developed and implemented a suite of custom maintenance and monitoring solutions. • Worked directly with project managers, developers, customers and vendors planning and implementing new environments as well as restructured and rebuilt existing environments. • Assisted internal development teams with database design, performance tuning, security, maintenance and management. • Data Modeler with strong Conceptual and Logical Data Modeling skills, experience with JAD sessions for requirements gathering, creating data mapping documents, writing functional specifications, queries.• Checking Database Health by using DBCC Commands and DMVS Interacted with Strategic Development Team, Business analyst and Nurse Managers to analyze business needs and developed technical specifications. • Involved in data validation of the results in Tableau by validating the numbers against the data in the database tables by querying on the database. • Created and published dashboards through Jenkins to the Tableau Server and Cloud application.
  • Sei Investments
    Sr. Business Intelligence Developer / Tableau Developer / Admin
    Sei Investments Dec 2019 - Aug 2021
    Responsibilities: • Involved in reviewing business requirements and analyzing data sources form Excel/Oracle SQL Server for design, development, testing, and production rollover of reporting and analysis projects within Tableau Desktop.• Develop automated SQL scripts to improve regression test cycles, handle load test in theserver using load balancing and performance.• Develop the data validation and manipulate scripts using Python as per various complicated and rare scenarios using SQL, MY SQL.• Responsible for working with Business Analyst/Developers to elaborate business specification into testable requirements.• Analyze and document the mapping logic between the Source and Target systems• Created Heat Map showing current service subscribers by color that were broken into regions allowing business user to understand where we have most users vs. least users.• Responsible for maintaining the integrity of the SQL database and reporting any issues to the database architect.• Develop automated scripts to improve regression test cycles is desired.• Assisted in mining data from the SQL database that was used in several significant presentations.• Projected and forecasted future growth in terms of number of subscribers based on upgrading to LTE by developing Area Maps to show details on which states were connected the most.• Converted charts into Crosstabs for further underlying data analysis in MS Excel.• Developed and implemented a suite of custom maintenance and monitoring solutions. • Worked directly with project managers, developers, customers and vendors planning and implementing new environments as well as restructured and rebuilt existing environments. • Assisted internal development teams with database design, performance tuning, security, maintenance and management.
  • Healthfirst
    Sr. Tableau Developer / Admin
    Healthfirst Mar 2019 - Nov 2019
    New York, Ny, Us
    Responsibilities: • Providing of clinical intelligence solutions for hospitals. Providing meaningful use reporting solutions and clinical reporting solutions help hospitals achieve compliance with federal P4P programs and provide them with daily, actionable information to improve care, quality, and outcomes. • Created action filters, parameters and calculated sets for preparing dashboards and worksheets in Tableau.• Building, publishing customized interactive reports and dashboards, report scheduling using Tableau server. • Did the initial study of Health Care Management to collect customer’s information, data about existing systems at client site, specific customer requirements for the Electronic Health Reports (EHR).• We work on programs such as Meaningful Use, Inpatient Quality Reporting (IQR), and Value Based Purchasing (VBP).• Created solution driven dashboards by developing different chart types including Crosstab’s, Heat/Geo/Tree Maps, Pie/Bar Charts, Circle Views, Line/Area Charts, Scatter Plots, Bullet Graphs, and Histograms in Tableau Desktop for Client Specific Hospitals.• Scheduled data refresh on Tableau Server for weekly and monthly increments based on business changes to ensure that the views and dashboards displayed the changed data accurately.• Experienced in requirement gathering/analysis, design, development, testing, and production rollover of reporting and analysis projects.• Built dashboards using techniques for guided analytics, interactive dashboard design, and visual best practices.• Upgraded Tableau Server to latest version 9.2 and created automated Backup using Task Scheduler.• Designed Summary and Detailed reports using Data Blending feature in Tableau and utilized the cascading feature on Dimensions to provide dependency on objects through filters.• Tested dashboards to ensure data was matching as per the business requirements and if there were any changes in underlying data.
  • Jpmorgan Chase & Co.
    Sr. Tableau Developer
    Jpmorgan Chase & Co. Mar 2018 - Feb 2019
    New York, Ny, Us
    Responsibilities: • Capture technical metadata through data modelling tools.• Created views in Tableau Desktop those were published to internal team for review and further data analysis and customization using filters and actions.• Checking Database Health by using DBCC Commands and DMVS.• Administered user, user groups, and scheduled instances for reports in Tableau. • Hands-on development assisting users in creating and modifying worksheets and data visualization dashboards.• Created report schedules, data connections, projects, groups in Tableau server.• Extensively used Tabadmin and Tabcmd commands in creating backups and restoring backups of Tableau repository.• Involved in creating complex Stored Procedures, triggers, cursors, tables, and views and other SQL joins and statements for applications. • Involved in creation and updates of several SQL Index, Views, Complex Stored Procedures, triggers and appropriate User defined functions.• Conduct data mapping sessions and write the required business requirements documentation including use cases.• Interacted and interviewed customers and business sponsors to gather data requirement.• Developed detailed auditing and reporting of the current status and history of all components related to a product.Environment: Windows Server 2012, Tableau Desktop 8.2/8.0/7.0, Tableau Server, SQL Server 2008/2012, PL/SQL, MS-Access, MS Excel and JavaScript.
  • Motorola Mobility (A Lenovo Company)
    Sr Tableau Developer/Tableau Admin
    Motorola Mobility (A Lenovo Company) Dec 2016 - Feb 2018
    Chicago, Illinois, Us
    • Worked with business stakeholders, application developers, production teams and across functional units to identify business needs and discuss solution options. • Worked in the Agile methodology using Scrum which has its primary focus on the management part of the software development, dividing the whole development period into small iterations (of thirty days) called "sprints." • Worked in coordination with Clients for feasibility study of the project in Tableau and drawing up the timelines and DB Teams for designing the database as per project requirement. • Worked on migration on BI to tableau environment .• Created Users, Groups and projects in Tableau environment. • Created and managed schedules for users. • Scheduled data refresh on Tableau Server for weekly and monthly increments based on the new changes to ensure that the views and dashboards were displaying the changed data accurately.
  • Verizon Wireless
    Sr Tableau Developer
    Verizon Wireless Aug 2015 - Nov 2016
    Basking Ridge, Nj, Us
    • Worked with business stakeholders, application developers, production teams and across functional units to identify business needs and discuss solution options. • Worked in the Agile methodology using Scrum which has its primary focus on the management part of the software development, dividing the whole development period into small iterations (of thirty days) called "sprints." • Worked in coordination with Clients for feasibility study of the project in Tableau and drawing up the timelines and DB Teams for designing the database as per project requirement. • Created Users, Groups and projects in Tableau environment. • Created and managed schedules for users. • Scheduled data refresh on Tableau Server for weekly and monthly increments based on the new changes to ensure that the views and dashboards were displaying the changed data accurately. • Created different views using Tableau Desktop that were published the business stake holders for analysis and customization using filters and actions. • Implemented various data connections from data source to Tableau Server for report and dashboard development. • Combined visualizations into Interactive Tableau Dashboards and published them to the web portal. • Created guided navigation links for Interactive dashboards in Tableau. • Developed actions, parameters, Filter (Local, Global) and calculated sets for preparing dashboards and worksheets using Tableau • Designed and developed various analytical reports from multiple data sources by blending data on a single worksheet in Tableau Desktop. • Created Bullet graphs to determine average wages and workers compensation by using measures and dimensions data from Oracle SQL Server and MS Excel.
  • Capital One
    Sr Tableau Developer
    Capital One Sep 2014 - Jul 2015
    Mclean, Va, Us
    • Working on competitive benchmarking, scoring solutions and analytics, The Project mainly consists of creating Tableau dashboards for clients that give them a snapshot of Analytics of customer profiles and the potential KPI's for strategic planning.• Created Tableau dashboards and reports using stack bars, bar graphs, scatter plots, pie-charts, bullet charts, Gantt charts, Geography maps according to the end user requirements.• Utilized Data Blending, groups, combine fields, calculated fields, and aggregated fieldsand spotlighting to compare and analyze data in different perspectives• Created extracts, published data sources to tableau server, refreshed extract in Tableauserver from Tableau Desktop• Extensively used data blending, embed functionalities in Tableau.• Extensive experience in Tableau Administration Tool, Tableau Interactive Dashboards,Tableau suite.• Reviewed basic SQL queries and edited inner, left, and right joins in Tableau Desktop byconnecting live/dynamic and static datasets• Designed and Optimized Data Connections, Data Extracts, Schedules for Background• Tasks and Incremental Refresh for the weekly and monthly dashboard reports on Tableau Server.• Created SSIS packages to Extract, Transform and load data using different transformations such as Lookup, Derived Columns, Condition Split, Aggregate and Slowly Changing Dimension, Merge Join and Union all• Experience in report writing using SQL Server Reporting Services (SSRS) and creatingvarious types of reports like drill down, Parameterized, Cascading, Conditional, Table,Matrix, Chart and Sub Reports.• Implemented SSRS server level and item level security, subscription, performance tuning and access various reports in multi-user environment.
  • Bluecross
    Tableau Bi Developer
    Bluecross Jun 2012 - Aug 2013
    • Led the design and development of Tableau visualization solutions, creating reports and configuring data sources.• Managed the installation and upgrading of Tableau server, optimizing server performance for efficiency.• Authored users based on privileges, implemented security measures, and conducted migration activities across environments.
  • I28 Technologies Corporation
    Cognos Developer
    I28 Technologies Corporation Jul 2011 - May 2012
    Iselin, Nj, Us
    • Interpreted complex Business specifications developed by the client and generated cubes and reports to meet customer specifications. • Created standard and Ad hoc reports using Cognos Impromptu designed catalogs and defined User Classes, security and privileges.• Created User Classes who needed to access the data in the catalog.• Assigned password to User Classes, assigned various kinds of accesses to Tables and Folders.• Created Lists, Groups and Cross-tab reports with Drill-through functionality.• Created Multidimensional reports by implementing Multi Dimensional Cubes using Power Play and Transformer.• Provided security for Cubes of various User classes. Used Date Wizard to create time dimension in Transformer for creating cubes and Power Play reports. • Calculated fields, created manual dimensions and used special categories for creating cubes and reports using Transformer models.• Created Impromptu Web Reports and published them on the Web server and later on Upfront.• Deployed cubes and reports on Power Play Enterprise Server and also Published to Upfront.• Monitored the Power Play cubes using PPES.• Used Access Manager to meet the security requirements of the reports and cubes on the Upfront.• Troubleshoot Cognos Server Environment for the better performance

Frequently Asked Questions about Karthik V.

What company does Karthik V. work for?

Karthik V. works for Adtran Inc

What is Karthik V.'s role at the current company?

Karthik V.'s current role is Sr. Business Intelligence Developer (Tableau developer).

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