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Mainframe Applications Developer Resume

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SUMMARY:

  • Experience of 9+ years working in all the phases of SDLC (Requirement Analysis, functional and technical specification designing, development, testing, implementation and Production Support) of Mainframe Applications Development Project
  • Designed Functional Specifications on the basis of Business Requirement documents and Client’s interaction.
  • Designed Technical documents on the basis of Functional specifications that form the basis of future coding.
  • Designed various test documents on the basis of business requirement, functional and technical design documents that form the basis of unit, integration and User Acceptance testing phases of Project
  • Designing and Updating Architectural framework and DB2 Database Structure.
  • Used Expeditor, INTERTEST for debugging/testing.
  • Well - versed with most DB2 Interactive utilities like SPUFI (SQL Processor Using File Inputs), QMF (Query Management Facility), PLATINUM/DB2 Relational Tools.
  • Provided 24X7 on call rotation for production and test environments
  • Strong knowledge in performance tuning for the batch and online applications.
  • Expertise in CICS Online/ Batch applications designing and coding
  • Performed analysis of current functionality and recommend process improvements for enhancement.
  • Expertise in knowledge acquisition, system study, architecture analysis & documentation.
  • Developed JCL's and PROC's to execute COBOL Codes and also prepared Production version JCL'S
  • Developed programs with COBOL, DB2, CICS and VSAM combination.
  • Performed and led the teams responsible for various phases of testing through the course of the project:
  • Unit Testing of Codes on the basis of developed Unit Test Documents.
  • Integration testing that tested functionality as well as compatibility of the developed Mainframe application with interfacing systems.
  • Involved in User Acceptance Testing to test the overall functionality against Business Requirement document
  • Involved in pre-implementation activities like developing deployment plan, develop Job scheduling, acquiring necessary accesses and developing disaster recovery and roll back plan.
  • Involved in Implementation phase of the project
  • Involved in Post- Production support that included defect trouble shooting and implementing planned deployments.
  • Conversant with all phases of project Life Cycle including Requirement gathering, Analysis, Design, Development, Implementation, Testing, Software quality standards and configuration management and change management and Quality procedures.
  • Proficient in Software Development Life Cycle (SDLC), CMM, CMMI processes
  • An individual with proven leadership, administrative, communication, & organizational skills.
  • Have a good combination of technical, communication and interpersonal skills, which provide the ability to be an effective mediator between programmers, end-users and clients.
  • Highly motivated with the ability to work effectively in teams as well as independently
  • Involved in Quality Assurance activities like defect logging, defect analysis and developing checklists and defect reduction techniques like standardization of codes.

TECHNICAL SKILLS:

Operating Systems: Win9x. Win 2000, UNIX, z/OS, OS/390, MVS/ESA

Languages: VS COBOL-II, COBOL 370, MS-COBOL, CICS, JCL, SQL, EasytrieveHTML, JavaScript

Database: DB2, IMS-DB, IDMS, VSAM, MS Access

Version Control tools: ChangeMan, Endevor, Panvalet, Librarian, PowerPoint & MS Project.

Others: XPEDITER, FILE-AID, FILE MANAGER, SUPERC, TSO ISPF/PDFQMF, SPUFI, WEBAWARE, INSYNC, PLATINUM/DB2, BMC tools, ABEND-AID, RACF, SDF2, Fault Analyser, Dump Master, SYNCSORT, DFSORT, PROJCL, INTERTEST, CA-7, CA-11, Job track, HTML, JavaScript, Compare-X, MS-Visio, MS-Office, and Lotus Notes, Business Objects.

PROFESSIONAL EXPERIENCE:

Confidential

Mainframe Applications Developer

Environment: COBOL, JCL, DB2, VSAM, INTERTEST, INSYNC, PLATINUM, SPUFILibrarian, TSO/ISPF

Responsibilities:

  • Prepared BRD specification of modules and processes.
  • Worked with DBA’s Design & create new tables.
  • Data Load to various Test Regions and reformatting data depending on the requirement using DB2 Load utilities.
  • Wrote Batch COBOL, DB2, and VSAM programs.
  • Involved in DB2 Performance tuning, rewritten several legacy Systems SQL queries to get optimal performance.
  • Wrote the DB2 subroutines, to access the DB2 tables and to display the data on the WebPages.
  • Set up batch cycle Running Test Cycles for end to end testing.
  • Tested the programs in different testing phases like Unit, Integration and System Testing.
  • Understood business requirements, preparing technical specifications document, Code changes in batch COBOL programs, Testing and Debugging
  • Customizing the existing COBOL programs while debugging the code for any issues.
  • Done Code Migration and Deployment to system test environment.
  • Prepared Test results based on the execution of test cases.
  • Fixed bugs those are identified as a result of QA Testing.
  • Discussed the systems problem with managers and users to determine its exact nature.
  • Involved in Post Production Support and Maintenance.

Confidential

Mainframe Applications Developer

Environment: COBOL, JCL, WEBAWARE, DB2, VSAM, INTERTEST, INSYNC, PLATINUM, SPUFILibrarian, TSO/ISPF

Responsibilities:

  • Prepared HLD, LLD, BLD specification of modules and processes.
  • Worked with DBA’s Design & create new tables.
  • Data Load to various Test Regions and reformatting data depending on the requirement using DB2 Load utilities.
  • Wrote Batch COBOL, DB2, and VSAM Interface programs to communicate between Cool-Gen Mainframe Systems.
  • Wrote the DB2 subroutines, to access the DB2 tables and to display the data on the WebPages.
  • Set up batch cycle (setup test JCL) Running Test Cycles for end to end testing.
  • Tested the programs in different testing phases like Unit, Integration and System Testing.
  • Understood business requirements, preparing technical specifications document, Code changes in batch COBOL programs, Testing and Debugging
  • Discussed the systems problem with managers and users to determine its exact nature.
  • Peer review of the Code, design documents, test plans and test results.
  • Involved in Post Production Support and Maintenance.

Confidential

Mainframe Applications Developer

Environment: COBOL, CICS, JCL, DB2, VSAM, HTML, JavaScript, INTERTEST, Web-awareINSYNC, PLATINUM, SPUFI, Dump Master, Librarian, TSO/ISPF

Responsibilities:

  • Prepared HLD, LLD, BLD specification of modules and processes.
  • Worked with DBA’s Design & create new tables.
  • Data Load to various Test Regions and reformatting data depending on the requirement using DB2 Load utilities.
  • Wrote online JAVASCRIPT, CICS, COBOL, DB2, WEB-AWARE and VSAM Interface programs to communicate between Java Templates and Mainframe Systems.
  • Wrote the DB2 subroutines, to access the DB2 tables and to display the data on the WebPages.
  • Set up batch cycle (setup test JCL) Running Test Cycles for end to end testing.
  • Tested the programs in different testing phases like Unit, Integration and System Testing.
  • Understood business requirements, preparing technical specifications document, Code changes in CICS online & batch COBOL programs, Testing and Debugging
  • Discussed the systems problem with managers and users to determine its exact nature.
  • Peer review of the Code, design documents, test plans and test results.
  • Met with clients to discuss system requirements, specifications, costs and timelines, analyse user’s needs and Plan, design and co-ordinate the development, installation, integration and operation of other interface systems.
  • Involved in Post Production Support and Maintenance.

Confidential

Mainframe Applications Developer

Environment: COBOL, CICS, JCL, DB2, VSAM, HTML, JavaScript, PLATINUM, SPUFI, ChangeMan, TSO/ISPF, MS-Visio

Responsibilities:

  • Prepared HLD, LLD, BLD specification of modules and processes.
  • Wrote new/changes to complex COBOL, CICS, and JCL programs to add multiple billing functionality.
  • Worked with DBA’s Design & create new tables
  • Wrote COBOL Common I/O modules to support DB2 database calls for COBOL Programs.
  • Data Load to various Test Regions and reformatting data depending on the requirement using DB2 Load utilities.
  • Coded and Running the Emergency Data fixes in SPUFI/WinSQL (DB2- Queries).
  • Database cleanup in test environments using DB2 Load/Update SQL’s.
  • Set up batch cycle (setup test JCL) Running Test Cycles for end to end testing.
  • Created SPUFI/QMF SQL reports as per clients Adhoc need for business.
  • Carried out unit testing, integration testing, performance testing, load testing, regression testing and System testing.
  • Understood business requirements, preparing technical specifications document, Code changes in CICS online & batch COBOL programs, Testing and Debugging.
  • Ran Test Cycles based on client Request.
  • Fixed bugs those are identified as a result of QA Testing.
  • Discussed the systems problem with managers and users to determine its exact nature.
  • Diagnosed problems, recommend solutions, determine whether program requirements have been met.
  • Identified and communicated technical problems, processes and solutions.
  • Wrote detailed test plans and test requirements hierarchy.
  • Peer review of the Code, design documents, test plans and test results.
  • Discussing the systems problem with managers and users to determine its exact nature.
  • Met with clients to discuss system requirements, specifications, costs and timelines, analyse user’s needs and Plan, design and co-ordinate the development, installation, integration and operation of other interface systems.
  • Involved in knowledge acquisition, system study, architecture analysis and documentation.

Confidential

Mainframe Applications Developer

Environment: COBOL, CICS, JCL, DB2, VSAM, IDMS, HTML, JavaScript, INTERTEST, Web-awareINSYNC, PLATINUM, SPUFI, Dump Master, Librarian, TSO/ISPF

Responsibilities:

  • Involved in Analysis, Design and development, testing of all the modules of FACES.
  • Prepared the detailed level Technical Specifications documents for each and every module that I involved.
  • Involved in different modules of FACES system like Protocols, Investigation and Assessment, Case management, Eligibility, Resource and Financial Management.
  • Wrote online CICS, COBOL, DB2, and VSAM Web-aware Interface programs to communicate between Java Templates and Mainframe Systems.
  • Involved in maintenance of the batch programs for Kids Income process and for the report generation
  • Wrote the DB2 subroutines, to access the DB2 tables and to display the data on the WebPages.
  • Involved in DB2 Performance tuning, rewritten several legacy Systems SQL queries to get optimal performance.
  • Created Several Online and Batch COBOL/AFP reports for DSS mailing.
  • Tested the programs in different testing phases like Unit, Integration and System Testing.
  • Involved in Post Production Support and Maintenance.

Confidential

Tools: Mainframe COBOL, CICS, DB2, VSAM, JCL, Proc, ENDEVOR, File-Aid, Easytrieve Plus, ChangeMan, Expeditor.

Software Analyst

Responsibilities:

  • Analyse the customer requests based on the priority and prepare technical specifications.
  • Work in co-ordination with the client on current and upcoming activities.
  • Provide estimates and schedules for the activities to be performed.
  • Schedule task for team members.
  • Work estimation, analysis, coding and Testing.
  • Played core member role in Requirement Clarification, Impact Analysis, Design, Coding, Code Review, Unit Testing, End-to-End testing and support system testing.
  • Done reverse engineering to identify the gaps in the Business requirement.
  • Done enhancements to the existing COBOL, CICS, DB2, VSAM programs.
  • Prepared Design Document for the impacted maintenance modules.
  • Creation of test plans and test cases.
  • Involved in Creation and review of test cases based on the requirement and design document.
  • Responsible configuration of the Java Virtual Machine (JVM) and environment variables.
  • Done analysis on the system and identified the job flow for End-to-End testing.
  • Responsible in formatting the mails from text to HTML format using JCL
  • Customizing the existing COBOL programs while debugging the code for any issues.
  • Done Code Migration and Deployment to system test environment.
  • Prepared Test results based on the execution of test cases.
  • Actively involved in “Defect call” to discuss the defects with development team.
  • Impart to the new team members.

Confidential

Mainframe Applications Developer

Tools: Mainframe COBOL, JCL, CICS, DB2, IMS DB/DC, VSAM, Easytrieve, Pan-valet, File-Aid, INTERTEST.

Responsibilities:

  • Played core member role in Requirement Clarification, Impact Analysis, Design, Coding, Code Review, Unit Testing, End-to-End testing and support system testing.
  • Done Impact analysis on the maintenance modules to identify the impacted programs that are required to change as part of this new Servicing Interface.
  • Given support to online using COBOL, CICS, DB2, VSAM programs and batch jobs.
  • Done reverse engineering to identify the gaps in the Business requirement.
  • Prepared Design Document for the impacted maintenance modules.
  • Involved in Creation and review of test cases based on the requirement and design document.
  • Done analysis on the system and identified the job flow for End-to-End testing.
  • Done Code Migration and Deployment to system test environment.
  • Logged and Tracked the Defects in Clear Quest.
  • Prepared Test results based on the execution of test cases.
  • Actively involved in “Defect call” to discuss the defects with development team.
  • Provided Implementation and Post-Implementation support for the modified Maintenance Modules.

Confidential

Mainframe Applications Developer

Tools: Mainframe COBOL, JCL, PROC, DB2, ENDEVOR, File-Aid

Responsibilities:

  • Coded and implemented application programs in accordance with client specifications.
  • Database interaction in DB2, DB2 Queries, SPUFI and QMF. Extensive knowledge of configuration management through ENDEVOR.
  • Debugging codes using XPEDITOR and in house testing tools.
  • Enhancements made to existing programs in the insurance system
  • Prepared of test plans, test scripts, testing and defect logging.

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