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Lead- Senior Mainframe/as400 Developer Resume

SUMMARY

  • Senior IBM Mainframe/AS400 Application developer, with 7 . 2 years of hands on experience in application development, testing and support using COBOL,JCL, DB2,IMS,stored procedures, CICS, SQL, VSAM, ICETOOL, REXX, Easytrieve, MQ Series, Endeavor,Changeman, TSO/ISPF, Coolgen, TELON,Xpeditor, MVS, SPUFI, QMF, IDCAMS,IEBCOPY,IEBGENER,IEFBR14,File - Aid, TCP/IP and MS office .
  • 4 years extensive experience in AS400 iSeries, Synon/2E,CL and RPG Application Development and maintainence.
  • Extensive Knowledge in requirement gathering, business analysis, design, development, implementation,Database Migration,testing,integration deployment,performance tuning, documentation and maintenance of IBM Mainframe/AS400 applications.
  • Coded mainframe development assignments in COBOL, modified tables in DB2, created job cards in JCL to run batch jobs, and modified online screens using CICS.
  • Developed COBOL codes and debugged using COOLGEN and Telon incorported the code into modules of the system.
  • Experienced in integrating web services using COBOL,CICS,JavaScript, XML with java applications .
  • Designed tools using Rexx and Easytrieve .
  • Hands on experience in Jobtrac and Control-M schedulers.
  • Has involved in coding of other languages like PL/SQL, UNIX, C, C++, Python, CSS and JavaScript.
  • Possess strong experience and extensive business knowledge in Banking, credit cards, Finance, Services and Retail domain applications.
  • Experienced in working as telecommute(remote) and supported Clients diligently.
  • Very good experience in trouble shooting and SQL Performance tuning.
  • Experienced in using HP Application Lifecycle Management tool HP ALM QC for QA testing.
  • Extensive experience in IT industry involved with complete Software Development Life Cycle SDLC.
  • Provided 24/7 on-call Production Support and batch processing which include break fix, code updates, debugging tools, code enhancements and Enhancement Services for applications
  • Experience working on the project built using the Agile Methodology. Involved in the estimate planning, design discussions and meetings for the project.
  • Worked as a Team lead assigning work to team members, handle client calls and distributed tasks in the team during design, codin g and testing phases of the system.
  • Quick learning attitude, excellent communication skills and organizational skills. Focus on quality & drive for excellence.
  • Experience of direct interaction with the customers and a good team player with strong work ethics, hardworking, and commitment to excellence along with excellent Analytical and Programming Skills.
  • Extremely well organized, with proven ability to multi-task and prioritize workload.

TECHNICAL SKILLS

Operating Systems: IBM Z/OS, iseries, OS/390 V2R10, Windows

Databases: DB2,IMS,SQL Server 2012

Technologies: COBOL,JCL,stored procedures,VSAM,REXX,Easytrieve,AS400 iseries(CL,RPG), MQ Series,Synon/2E,Coolgen,Telon,MVS,SPUFI,QMF,IDCAMS,IEBCOPY,IEBGENER,IEFBR14,File-Aid.

Transaction Server: CICS, TSO/ISPF

Tools: CHANGEMAN, Expeditor, ENDEVOR,ICETOOL

Schedulers: Control-M, Jobtrac

Others: PL/SQL, UNIX, service now,HP ALM Quality Center, C,C++,Java, Python, CSS, Javascript.

PROFESSIONAL EXPERIENCE

Confidential

Lead- Senior Mainframe/AS400 Developer

Responsibilities:

  • As part of the integrating efforts ( Confidential ) had extensive meetings with both the Business and Users teams to gather requirements.
  • Served as Technical Lead for simultaneous conversion from Mainframe/AS400 Environment to SAP.
  • Development of the new batch programs using COBOL, CICS and IMS, DB2.
  • Generated COBOL codes debugged and tested the codes using COOLGEN and TELON.
  • Development, maintenance and testing of the new batch programs using Synon, CL and RPG languages on iSeries AS400 environment.
  • Designed a technique to transform DB2 tables into SAP schema of tables that maintains the DB2 key structure.
  • Provided REXX / ISPF Dialog tools to automate the download of DB2, Flat File and source code data into flat files that could FTP to SAP platform.
  • Debugging and implementing the system using Expediter Debug tool.
  • Handling Ad-Hoc Requests.
  • Used HP ALM QC to prepare Test cases, procedures and Requirements Traceability Matrix.
  • Integrated web services Using COBOL, CICIS, HTML and JavaScript with Java applications.
  • Involved in production support activities. Ensured the batch cycle gets completed in time. Also, fixed the issues within the time mentioned in Service Level Agreements (SLA).
  • Gave extensive support as working in remote.
  • Status Reporting and Responsible for the final delivery.
  • Responsible for correct versioning of code by creating and moving the requests using Endeavor.

Tools: and Technologies: OS/390, JCL, COBOL, CICS, DB2, IMS, Store procedures, AS400-CL and RPG,SQL, IBM Utilities, COOLGEN,TELON,SQL,MVS, REXX, Endeavor, Expediter, service now, HP ALM Quality Center, CA-7, HTML, XML, Java and JavaScript.

Confidential

Senior Mainframe/AS400 Developer

Responsibilities:

  • Devised the solution that maintained both the Jobtrac and Control-M schedulers with error handling and batch run.
  • Development of programs and jobs using CL, RPG, JCL, COBOL, VSAM, DB2, IMS, CICS.
  • Generated COBOL codes, debugged and tested the codes using COOLGEN tool.
  • Extracting the process of batch run in Jobtrac.
  • Scheduling the jobs for the batch run in control - M scheduler.
  • Synchronisation of error handling using scheduler mapping.
  • Trained developers in the techniques for making changes and using the selected process for identifying and handling those changes.
  • Reviewing programs for QA.
  • Developed and implemented new REXX / ISPF Dialog tool designed especially for trained and guided developers in its use.
  • Also involved in monitoring the Batch Cycles.
  • Handling Ad-Hoc Requests.
  • Involved in preparing test plans for Independent Unit testing and Work package testing using HP ALM QC.
  • Responsible for correct versioning of code by creating and moving the packages using Endeavor.

Tools: and Technologies: OS/390, COBOL, CICS, DB2, IMS, store procedures, As400-CL and RPG,VSAM, SQL, SYNCSORT, JCL, TSO, COOLGEN, ISPF/PDF, HP ALM Quality Center, File-Aid, Endeavor, REXX.

Confidential

Senior Mainframe Developer

Responsibilities:

  • Involved in development/enhancement of applications using JCL, COBOL, PRO* COBOL, DB2, UNIX.
  • Created online screens using CICS.
  • Saved substantial time and cost by providing a new interface routine that accepted all the various names, inputs and outputs of many different date processors then called the one new processor to handle all the work.
  • Unit and System testing of programs.
  • Debugging of the programs using UNIX.
  • Assumed responsibility for the maintenance and operation of the Defect Reporting System, a major Quality tracking and reporting system.

Tools: and Technologies: OS/390, COBOL, DB2, store procedures, JCL, PL/SQL, TSO, ISPF/PDF, IBM Utilities, PRO* COBOL, SQL, Expediter, UNIX.

Confidential

Mainframe Developer

Responsibilities:

  • Developed parms, procs and Job based on the requirements using JCL, COBOL, Easytrieve.
  • Implemented extensive code refactoring to attain expected response time for the application.
  • Mailing format data is aligned in a flat file by sequence numbers.
  • Deck of mail is created in DB2 tables.
  • Coordinated with SIT& UAT team.
  • Project monitoring and control during development and defects fixing.
  • Involved in System testing and attending to the trackers raised and resolving them in time.
  • Implemented code to production and monitoring the status.

Tools: and Technologies: OS/390, COBOL, DB2, SYNCSORT, SQL, JCL, TSO, ISPF/PDF, File-Aid, IBM Utilities, Rexx, Easytrieve.

Confidential

Mainframe Developer

Responsibilities:

  • Prepared Low Level design document after analysing requirements.
  • Creating a testing environment with online CICS/DB2 and batch programs using XPEDITER to analyse current processing and verify modifications during unit testing for the live environment.
  • Copied files and DB2 tables; ran mass binds; modified the JCL and PROC Libraries for testing.
  • Validating the data and manipulating it for the testing environment for checking the processes.
  • Delivered environment with zero UAT defects.

Tools: and Technologies: OS/390, COBOL, DB2, CICS, JCL, SQL, TSO, ISPF/PDF, File-Aid, XPEDITER, Teradata.

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