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Sr. Ibm Mainframe Application Developer Resume

SUMMARY:

  • Sr. IBM Mainframe Application developer with 7+ years of experience in Mainframe application development, testing and support to batch processes with core focus in COBOL, DB2, JCL, CICS, IMS, VSAM, File Aid and CA7 Technologies in waterfall and agile development.
  • Acquired great knowledge in data handling by working with a variety of databases like Oracle, DB2, IMS, SQL Server, VSAM.
  • Lead Millions of Instructions per second (MIPS) reduction project and re structured existing data bases and queries which helped in MIPS usage up to 60% with stringent deadlines and optimal resource utilization.
  • Extensive experience in Automobile and Insurance Industries.
  • Expert working knowledge in Core Application design, Development, Testing and Production support .
  • Conducted code reviews and prepared unit test plans and shared with clients.
  • Experienced in HP ALM (Quality Center) for Requirements Traceability, Test case Execution, Defect Tracking Reporting and Project Management.
  • Extensive experience working as a coordinator attending the project review meetings with Clients gathering requirements, preparing High Level Design (HLD), Low Level Design (LLD), transitioning the requirements and design to team for the Build activity.
  • Experience in supporting multiple applications and integration.
  • TOSCA Certified Automation Specialist 1 & 2
  • As a team lead, mentored newly trained professionals, and motivated fellow teammates to provide better resolution and helped them define proper strategies for issue resolution.
  • Conducted sessions on COBOL, DB2 at organizational level.
  • Three years of college teaching experience.
  • Worked as a Teaching Assistant for three graduate level courses.

TECHNICAL SKILLS:

PROGRAMMING: C, R, COBOL, EZTRIEVE, JCL, SQL

DATABASES: ORACLE DB, IBM - DB2, IMS-DB, VSAM, MY SQL, MARIA DB, SQL SERVER

OPERATING SYSTEMS: Linux - Ubuntu (Shell Scripting), Mac OS X, Windows, MVS -OS/390 and Z/OS

TOOLS: IBM SPUFI, QMF, FILE MANAGER, FAULT ANALYZER, TRITUNE, STROBE, CA7, SQL DEVELOPER, FILE AID, OPC SCHEDULER, PLATINUM TOOLS, BMC, SDSF, PL/SQL, INFORMATICA POWER CENTER 8.x, TSO ISPF, HP ALM (Quality center) 11.0, XPEDITOR

SPECIAL SKILLS: DATABASE INTEGRATION, DYNAMIC SQL, DATA MINING

VERSION CONTROL: ENDEVOR, DCCS, CHNAGEMAN

DEBUGGER: IBM DEBUGGER

EXPERIENCE:

Confidential

Sr. IBM Mainframe Application developer

ENVIRONMENT: MVS, COBOL, JCL, DB2, CHANGE MAN, HP ALM 11.0, WEB SERVICES, 2D Barcode, File Aid, QMF, SPUFI, TSO/ISPF, SORT, Share Point, VSAM etc.

Responsibilities:

  • Team Lead for the development team in modification and deconversion programming for Commercial Loans.
  • Created a reusable application for all deconversion requirements which will be useful in reducing manual effort for subsequent Projects.
  • Created Balancing and Reconciliation Reports which aided business in deconversion.
  • SPOC for Commercial Loans and CARDS Application in deconversion.
  • Created a separate reusable application for Negating Transactions.
  • Developed Mainframe online / batch jobs in COBOL, JCL, DB2, CICS to extract, process and load the data in the Enterprise data warehouse and send custom reports back to Clients.
  • Propagate the changes across all release platforms. Planning and execution of batch processes for the release for every business requirement and applications involved.
  • Handled all quality aspects of the application, documented the same to help Production support team.
  • Working with the middleware and application teams to address all the Data Quality & Data Integration issues.
  • Handled Offshore and Onshore teams effectively.

Confidential

Sr. IBM Mainframe Application developer

ENVIRONMENT: MVS, COBOL, JCL, CICS, DB2, Informatica Power center 8, HP ALM 11.0, MDM, SOA

Responsibilities:

  • Worked with multiple cross-functional teams to gather data, converted them into actionable insights & assisted client in decision making process.
  • Developed Mainframe online / batch jobs in COBOL, JCL, DB2, CICS to extract, process and load the data in the Enterprise data warehouse and send custom reports back to Clients.
  • Propagate the changes across all release platforms. Planning and execution of batch processes for the release for every business requirement and applications involved.
  • Testing Batch programs with JCL to ensure the requirements are handled correctly in the application development.
  • Handled system testing, regression testing and UAT of the applications.
  • Working with the middleware and application teams to address all the Data Quality & Data Integration issues.
  • Worked on existing data model and documented suspected design affecting the performance of the system.
  • Created and maintained reports, business requirement documents including functional, non-functional and other technical documents.

Confidential

Sr. IBM Mainframe Application developer

ENVIRONMENT: MVS, COBOL, JCL, CICS, IMS DB, COOLGEN, ASSEMBLER, DB2, QlikView 9, Informatica Power center 8, HP ALM 11.0

Responsibilities:

  • Worked with Business Analysts, Solutions Architects, and Systems Analysts to design solutions for clients.
  • Create /Refine technical specifications.
  • Implemented business logic using COBOL, IMS DB and DB2.
  • Handled responsibilities as project leader.
  • Lead a team of 6 and deployed the Application in multiple sprints and delivered the Application with minimal defects within 6 months.
  • Created the necessary documents to ensure transition to support team once development is complete

Confidential

Sr. IBM Mainframe Application developer

ENVIRONMENT: MVS, COBOL, JCL, CICS, COOLGEN, ASSEMBLER, AS 400, DB2

Responsibilities:

  • Designed and developed roll back strategies for high cost SQL queries which helped in 80 % reduction of CPU time.
  • Experience working on the project built using the Agile Methodology. Involved in the estimate planning, design discussions and scrum meetings for the project.
  • Played a key role in requirement gathering and design of the application, reviewed the components, modules developed by team.

Confidential

Sr. IBM Mainframe Application developer

ENVIRONMENT: MVS, COBOL, JCL, CICS, Ezitrieve, PL1, ASSEMBLER, AS 400, DB2, IMS DB /DC, JAVA.

Responsibilities:

  • Load and unload DB2 and IMS databases using Image copies and backups for testing.
  • Analyze COBOL-DB2, COBOL-IMS programs and modified them as per business requirements and fixed the tickets based on the SLA.
  • Involved in Testing of mainframe application both batch and online by running the Jobs.
  • Performed unit and integration testing to ensure application meets the functional and technical requirements.
  • Independently tuned the critical jobs to reduce the CPU usage which helped to lead MIPS project.
  • Fix the run time abends and the start cycle.
  • Played a key role in support team by handling P2, P3 tickets and resolving issues on time.
  • Responsible for coding, testing and debugging of programs along with correcting and setting up of JCL.

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