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Mainframe Application Developer Resume

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SUMMARY:

  • Over 9+ years of experience in Analysis, Design, Coding, Testing, Production Support and Maintenance of application Software in Mainframe platform.
  • Extensive knowledge and experience in IBM Mainframes with skill set of COBOL, JCL, VSAM, DB2, CICS, XML, MQ Series, File - Aid, ChangeMan, REXX.
  • Team player with good analytical, Technical, and interpersonal skills.
  • Has knowledge in implementing SOA Applications using Mainframe Technologies.
  • Has worked as Production Support Analyst to resolve user raised Incidents, providing workarounds and Permanent solutions.
  • Good debugging skills and exposure in Production and Test Support of Batch cycles.
  • Has worked as a Senior Application Developer for PMSC Policy processing support
  • Strong experience in Trouble shooting the problems.
  • Has an experience of working at On-Site with clients (USA).
  • Extensive experience in design, coding testing and implementing in COBOL, JCL, CICS, IMS DB, IMS DC, DB2 and VSAM. Good grasp on MPP/BMP, Batch and Online System of Mainframes.
  • Extensive experience in analysis, design, development, testing, UAT and deployment cycles of mainframe development.
  • Experience in proposing solution for business requirement and driving project from scratch to support the requirement.
  • Performed pivotal roles to improve the efficiency of the mainframe team as well as the business operations.
  • Tuned DB2 queries used by web front end which improved the response time considerably. Got appreciation from client for the same.
  • Proposed solutions for performance improvement and got appreciation for the same.
  • Worked on POC for UI modernization of legacy application.
  • Working directly with business users and understanding their requirements from the new system.
  • Represented business flows, using Activity Diagrams, and Data Flow Diagrams (DFD) using MS Visio for Automotive and Manufacturing Application for use post implementation of project.
  • Excellent Inter-personal skills and a qui

PROFESSIONAL EXPERIENCE:

Confidential

MAINFRAME APPLICATION DEVELOPER

Responsibilities:

  • Worked closely with the client to gather the requirement. Understanding the requirements by participating in the walkthrough call arranged by the DBS SME'S. Raising the queries and concerns with the SME'S and getting clarified before starting with preparing the Design documents Preparing the detail design document with the basic logic required for the request. After preparing the document I arranged a call with the SME'S and explain them with the detail design Coded new programs and decommissioned existing programs as per the requirement
  • Move the changed and new programs to changeman development so that the new change can be tested Created Test plan which tests existing and new functionalities. Tested the basic and critical scenarios. Worked as version tool as Endeavor to promote packages in Production Having experience on Vision plus for credit card processing. Each country has its own specific functionality which is embedded in base version of vision plus For complex defects used Expediter tool as Debug tool. Given KT to the testers and trained them on how to do the regression testing for the new added functionality.
  • Deployed from one environment to another environment. Tracked the progress of the work regularly and supported the team technically

Environment: Mainframes, JCL, COBOL, CICS, DB2, File - Manager, Windows 7, Assembler, Infoman, Endover, Service now

Confidential

SENIOR APPLICATION DEVELOPER/Programmer Analyst

Responsibilities:

  • Worked as senior developer and programmer analyst for One Talk, TMP Insurance and IOT applications provided efficient solutions and approaches to meet critical client requirements. Understanding the Cobol, DB2 and CICS programs from main programs to all calling programs and prepare the High level design documents and Detail Level design documents. Analyzing L3 critical Incidents, Production defects and providing resolution to the same with in stipulated time. Resolving the Production abends and Test and Dev regions in shortest span to make the system stable. Create SORT cards using IBM
  • Mainframe SORT utilities to sort the output data in required formats. Prepare SQL queries to do database testing for IBM DB2 databases and tables. Setting up and run critical jobs, weekly biweekly billing cycles for Confidential and Co - ordinate with Scheduling team setup the in-out jobs. Create IBM
  • Mainframe compare jobs to compare the output files of Baseline and Test line runs. Create SORT cards using IBM Mainframe SORT utilities to sort the output data in required formats. Removing duplicate records during output records validation. Worked Understand the SOA Applications using Mainframe
  • Technologies. Created and modified test and production JCLs/ Procs / Parms as per the requirements Responsible for writing user stories to reverse engineering a primary legacy system Walkthrough by the Confidential SME'S. Raising the queries and concerns with the SME'S and getting clarified before starting with preparing the Design documents based on the requirements Present the High Level design documents to Java Team architectures and designers Matching cobol code with Java API's in One confluence if already rewired Prepare the New API's if dont have rewire those applications. Co-ordinate with Java and Web services team and clarify the doubts during their development phase and Testing phase. Understand the Java code and fix the code in system testing phase. Understand the Telecom Basics write into detail flow-chart of the current flow. Given KT to the testers and trained them on how to do the regression testing for the new added functionality.

Environment: Mainframes, JCL, COBOL, CICS, DB2, File-Manager, Windows 7, Assembler, VSAM, Unix, Informix 4GL,AWK,SQL, Informix database, Linux, Java

Confidential

SR. TECHNICAL ANALYST - MAINFRAME DEVELOPER

Responsibilities:

  • I have worked as Senior Application developer in Policy Processing Support Team for Impact and AMS change orders. Provided efficient solutions and approaches to meet critical client requirements. Participate in all Requirements gathering discussions with Business analysts and all Stakeholders. Understand the requirements and translate them into Test design documents. Creating Test plans and Test case scenarios as per the Functional Requirements. Responsible for guiding Client release activities for Policy Processing and support in Confidential . Prepare IBM Mainframe batch jobs for Policy Processing and support. Create IBM Mainframe compare jobs to compare the output files of Baseline and Test line runs. Create SORT cards using IBM Mainframe SORT utilities to sort the output data in required formats. Removing duplicate records during output records validation. Prepare SQL queries to do database testing for IBM DB2 databases and tables. Writing programs for updating the records in the tables.
  • Resolving the Production abends in shortest span to make the system stable. Creating of SOP (Standard Operating Procedure) for all the tasks in the Team. Automated daily tasks for which will have manual intervention so that it will reduce the manual effort. Analyzing critical Incidents, defects and providing resolution to the same with in stipulated time. Running critical scans. Responsibility of handling Space issues in all test regions Handling all kinds of emergency tickets from various applications and delivering the results on time. Documenting and updating daily tasks and region status to facilitate smooth turn over. the new resources on basic level of Mainframe, TSOB, JCL, and ISPF. POC for PPST
  • Production and test support at onshore Worked on IMPACT project to migrate the claims from Mainframe to Guide ware team. For this project we have extracted claims information on from DB2 tables which we received from Guide ware team to flat files. Experience to handle month - end and loss claims teams. Implemented Auto and Property coverages to multistate Created a new TRNG environment similar like other development region. Worked on Policy copy Optim change order to copy policies from one Region another region In the Optim project created set of jobs to copy files and Databases one region to another region with help of DBA Worked as a production support for billing applications Co-ordinate with Windows team get the files from Third party team and worked as FTP process Taken care production release activities to co-ordinate with Changeman Team.

Environment: Mainframes, JCL, COBOL, CICS, DB2, FILE-Manger, Comparex, SOA, Web Services, QMF, SPUFI,Easytrieve,SAS.

Confidential

MAINFRAME APPLICATION DEVELOPER

Responsibilities:

  • Worked closely with the client to gather the requirement. Understanding the requirements by participating in the walkthrough call arranged by the DBS SME'S. Raising the queries and concerns with the SME'S and getting clarified before starting with preparing the Design documents Preparing the detail design document with the basic logic required for the request. After preparing the document I arranged a call with the SME'S and explain them with the detail design Coded new programs and decommissioned existing programs as per the requirement Move the changed and new programs to changeman development so that the new change can be tested Created Test plan which tests existing and new functionalities. Tested the basic and critical scenarios. Worked as version tool as Endeavor to promote packages in Production Having experience on Vision plus for credit card processing. Each country has its own specific functionality which is embedded in base version of vision plus For complex defects used Expediter tool as Debug tool. Given KT to the testers and trained them on how to do the regression testing for the new added functionality. Deployed from one environment to another environment. Tracked the progress of the work regularly and supported the team technically

Environment: Mainframes, JCL, COBOL, CICS, DB2, File-Manager, Windows 7, Assembler, VSAM, Platinum, Smart Test, Inter Test, Endeavor, IMS DB,IMS DC,Expediter.

Confidential

MAINFRAME DEVELOPER

Responsibilities:

  • Analyzing the business requirements, preparing the technical specifications. Coordinating with various teams to get involved for our business flow to process. Analyzed and coded as per the requirements and tested it to meet the target dates on time. Created and modified test and production
  • JCLs/Procs/Parms as per the requirements Analyze business requirements and modify affected code modules and screens for the new enhancements. Performed major role in system and acceptance testing which entailed developing test cases and scenarios, coordinating and executing tests, and analyzing test results Coordinating and Conducting Unit, System and System Integration testing. Production Support for the post Implementation changes.
  • Answering Queries raised by customer/user. Developed Test plan and Test cases for manual and automated testing. Executed Unit and System Testing to verify data validity and system stability. Monitoring the job flow to identify performance bottlenecks, analyze test results and report the findings to the clients, and provide recommendation for performance improvements as needed.

Environment: COBOL, DB2, CICS, VSAM, JCL, SPUFI, QMF, TSO/ISPF, CA-7, XPEDITER, FILE-AID, Changeman.

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