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Tableau Sr. Developer Resume

Plano, TX

SUMMARY:

  • Over 15+ years of experience in Mainframe and data visualization tools with Specialization on Tableau 9.x/10.x.
  • 3 years of working experience in Tableau Desktop and Tableau Server.
  • 12+ years of working experience in Mainframe development and support in world largest bank.
  • Expertise in creating highly interactive Data Visualization Dashboards using Tableau Desktop.
  • Developed highly interactive Data visualization Dashboards using features such as Data Blending, Calculations, Filters, Actions, Parameters, Maps, Extracts, Context Filters, Sets, Aggregate measures.
  • Extensive experience in Tableau Administration Tool for Configuration, adding users, data connections, scheduling tasks, embedding views by integrating with other platforms like SharePoint.
  • Experienced with Performance Tuning and Optimization of the Rendering Time on the Visualizations and Dashboards.
  • Strong proficiency in the use of SQL for developing complex triggers, tables, relational database models and data integrity, SQL joins and query writing.
  • Experienced in using data source database like DB2, Hive and Excel, JSON, text files Etc.. .
  • Complete understanding of software development life cycle (SDLC) including requirement analysis, requirement gathering, design, development, implementation, testing and deployment experience.
  • Domain knowledge in Financial & Banking and Merchant Services.
  • Good understanding of Project Management process.
  • Ability to learn any new technology within a short span of time.

TECHNICAL SKILLS:

DBMS/RDBMS: DB2

Languages: T - SQL

Programming Languages: COBOL, JCL, Python and SQL

Office Tools: MS Word, PowerPoint, Excel, Access

Data Visualization Tool: Tableau 9.x/10.x

Domain Expertise: Banking and Financial Service and Merchant Services

Big Data: Hadoop2.0, Hive, Pig and Flume

PROFESSIONAL EXPERIENCE:

Confidential, Plano TX

Tableau Sr. Developer

Responsibilities:

  • Designing the Report using different files and DB2 Databases.
  • Created Actions based on Requirement to make the Dashboards interactive.
  • Worked with Drill-down and Drill-through Functionalities.
  • Implemented Data blending and Joins in Reports.
  • Created Filters like action filters, Context filters, Data source filters, and parameters for preparing dashboards and worksheets in Tableau.
  • Experience in using various objects like Trend Lines Statistics and Log Axes, Hierarchies, Set, Groups and Calculated fields (Date Calculations, If.. Else, Case) and Creating Dashboard using KPIs.
  • Worked on Tableau dashboards using stack bars, bar graphs, Side by Side bars, scattered plots, geographical maps using show me functionality.
  • Created Dual Axis, Blended Axis reports and Custom Charts like Lollipop Chart, Donut Charts, Funnel charts.
  • Generated context filters and data source filters while handling huge volume of data.
  • Designed complex Tableau analytical dashboards featuring (Cascading Filters and Parameters)
  • Developed interactive dashboards, reports and scorecards in Tableau
  • Designed intuitive visuals utilizing; containers, sliders, charts, pivot tables, etc.
  • Follow Agile Methodology to keep track of projects and maintaining schedule by conducting daily scrums.

Environment: Tableau 10.X, DB2, Windows 10.

Confidential, Coral Springs FL

Tableau Developer

Responsibilities:

  • Designing the Report using different files like Excel, HDFS, Text, JSON.
  • Created Actions based on Requirement to make the Dashboards interactive.
  • Worked with Drill-down and Drill-through Functionalities.
  • Implemented Data blending and Joins in Reports.
  • Created Filters like action filters, Context filters, Data source filters, and parameters for preparing dashboards and worksheets in Tableau.
  • Formatting the data by using Legends, Marks, Color, Size, Text and Shape
  • Experience in Various objects like Hierarchies, Set, Groups and Calculated fields (Date Calculations, If.. Else, Case)
  • Created Key Performance indicators(KPI’s) as per Business requirement.
  • Created Dual Axis, Blended Axis reports and Custom Charts.
  • Generated context filters and data source filters while handling huge volume of data.
  • Generated Tableau Dashboards with quick/context/global filters, parameters and calculated fields on Tableau reports.
  • Follow Agile Methodology to keep track of projects and maintaining schedule by conducting daily scrums and bi-weekly sprints.

Environment: Tableau 10.X, DB2, Windows 10.

Confidential, Newark, DE

Mainframe Sr. Developer

Responsibilities:

  • Provide 24X7 Production Support for Mainframe application OMNI, RDB. Analysis and business knowledge mining from the Business specification Document and preparing Technical understanding document, SLA document. Day to day interaction with client and onsite team.
  • Analysis and design of small enhancements and performance improvements.
  • Understanding new requirements, identifying the impacted elements.
  • Involved in coding for enhancement. Code review, validation of test result. Create unit and system test plan for functional requirements.
  • Review production change requests and recommend suggestion for standards and performance. Update support document as per the technical change and the business change.
  • Involved in User Acceptance testing of the functionality of the Batch and CICS program.
  • Review of Coding and Testing done by other team members.
  • Performed Integration Testing of prime applications before installation in • Production Environment.
  • Staging of impacted elements through Change Man Package.
  • Direct Client communication for specific technical cases, queries.

Environment: COBOL, JCL, VSAM, DB2, ZOS, Windows 10

Confidential

Mainframe Sr. Developer

Responsibilities:

  • To lead the development activity, when the team size (for developing a particular application) involves more than 2 members
  • Create project plans, functional specification documents, feasibility documents, design documents, status reports, test cases, and test log documents
  • Communicate frequently to the user and D&B to collect requirements and regarding modeling of the application
  • Develop the application (Coding)
  • Involve in System testing, system testing bug fixing, implementation & OPC scheduling document preparation.
  • Production support, production bug fixing and solving the user queries.
  • Develop reusable components within the team that would help reducing the complexity and turn-around time of frequent manual tasks
  • Develop POC (Proof of concept) for feasibility studies to develop a new application or to propose service improvements

Environment: - COBOL, JCL, VSAM, ZOS, Win-95/98/NT/X

Confidential

Mainframe Developer

Responsibilities:

  • Analysis of the flow of existing Migration Tool - COBOL programs and JCLs
  • Changing the COBOL Code and JCL to adopt the new system and new geographical environment.
  • Testing the changes that are done
  • Validating the extracted old system data using the Migration Tool
  • Load the data into new system

Environment: - ZOS/390, COBOL, JCL, DB2, Win-95/98/NT/X

Confidential

Mainframe Developer

Responsibilities:

  • Working on System Change Requests
  • Impact analysis
  • Coding and Involving review activities
  • Testing and UTP preparation
  • Post install verification

Environment: - COBOL, JCL, VSAM, DB2, FILE-AID, Endevor

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