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Sr Mainframe Developer/application Support Resume

Franklin Lakes, NJ


  • 9+ years of hands on experience in Mainframe Development.
  • Experience in analysis, design, documentation, development, testing, implementation, maintenance and management of full life cycle commercial applications.
  • Well adept in development lifecycle involved within the Mainframe development.
  • Experience as a Mainframe developer with good knowledge of COBOL, DB2, JCL, VSAM, CICS and other technical areas related to mainframe and ZOS operating system.
  • Proficient in database concepts pertaining to DB2 development and writing SQL queries and Developing COBOL DB2/Stored procedure Programs involving Reading Transforming and Loading DB2 tables. Also ran spufis to query or load DB2 tables.
  • Experience in working in production support environment as well, such as resolving urgent Command center issues and live defects within stringent deadlines.
  • Experienced in setting up JCLs in QA and running jobs in QA.
  • Good Knowledge in business domains Healthcare Domain, Financial Domain Banking.
  • Functional experience includes being a team member and also handling the functions of team leader as a mainframe developer.
  • Well Adept in impact analysis, creating Tech Spec, Coding, Testing and deployment processes and working on production defects.
  • Possess a high technical aptitude and a high level of analytical ability. Solid analytical, problem - solving.
  • Demonstrated proficiency in leading and mentoring individuals to maximize levels of productivity, while forming cohesive team environment.
  • Good communication, Presentation and Interpersonal skills with excellent problem solving capability with a result oriented attitude.


Languages: COBOL, JCL, SQL (Mainframe DB2),VSAM, CICS, Easytrieve

Database Management System: DB2, VSAM


Operating System: ZOS, MVS/ESA, OS/390, UNIX, Windows NT, Windows 2000, and Windows XP


Confidential, Franklin Lakes, NJ

Sr Mainframe Developer/Application Support

Environment: COBOL, VSAM, JCL, DB2, CICS, MQseries, Endeavour, Intertest, SPUFI, CA7


  • Implemented complex new length file creation within online programs with zero defects.
  • Created new complex COBOL/DB2 Programs to generate reports which will identify missing eligibility values.
  • Developed new automation tools that would avoid manual effort.
  • Worked on Production Problems Tickets, providing fix for existing problems.
  • The fix to these tickets are provided through complete Software Development life Cycle, starting from Requirement and Kickoff meeting (Conf- Call) with Users and testers who raised the ticket.
  • Supported Command Center Urgent issues, which involved finding missing claim details and working on various issues raised by vendor or Client for the incorrect balances, accumulators etc.
  • Created various files with Claim information in medical standard formats and transmitted to vendors using MQseries or batch or FTP processes.
  • Complete Impact and root cause analysis, Creation of High level Design documents and Technical Specification documents, Coding Unit testing and End to End System testing and Regression Testing.
  • Worked closely with product owners analyzing various enhancements and requirements impacting the applications; providing estimates and timelines for service requests.
  • Following agile methodology for project implementation.
  • Running any special jobs in Dev and Prod requested by client.

Confidential, Louisville, KY

Sr Mainframe Developer

Environment: COBOL, VSAM, JCL, DB2, Endevor, CA7, Triggers, File AID, QMF


  • Involved in analyzing various enhancements and requirements impacting the Rehosting project and provide estimates and timelines for service requests for Bank of America merchant services (BAMS) to Confidential Corp ( Confidential ). This includes moving and replicating Jobs, procedures, card members, programs as per Confidential standard and testing them till they go live in production.
  • Code new COBOL, DB2, CICS programs, jobs (JCL/procs) to provide the merchant reports.
  • Enhancing existing programs based on the requirement from merchants.
  • Co-ordinate and Participate in Code reviews and test case/test results walkthrough with team, maintaining documentation of the different processes carried out.


Mainframe Programmer

Environment: COBOL, VSAM, JCL, DB2, CICS, Endevor, OPC, Xpeditor, File-Aid, REXX, TSO, ISPF


  • Developed complex Cobol Db2 programs and jobs which run on weekly basis to reconcile two applications to correct the system data which is used by Business management for reporting.
  • Involved in Enhancement to the application for Medical procedure codes, Network codes.
  • Worked in the production support team for the application for the initial 2years. It involves maintenance of more than 1500 jobs across different sub-application maintained by TOPS.
  • Coded COBOL/DB2 programs to reconcile the two applications.
  • Working with Enhancements to implement stored procedures.
  • Use DB2 utilities to unload the data and perform testing.
  • Handled a Single resource application effectively.
  • Unit testing by using debugging tools INTERTEST and EXPEDITER.
  • 24/7 Oncall support for any application issues.
  • Involved in Enhancement to the application for Medical procedure codes, Network codes.

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