Mainframe Applications Developer Resume
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 DeveloperEnvironment: 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 DeveloperEnvironment: 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 DeveloperEnvironment: 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 DeveloperEnvironment: 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 DeveloperEnvironment: 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 DeveloperTools: 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 DeveloperTools: 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.