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Mainframe Developer Resume

Portsmouth, NH


  • Over 4+ years of experience in IT industry with exposure to all the stages in software development life cycle (SLDC) including requirements gathering, software design, development and testing/support.
  • Mainframe Developer with strong technical expertise, business experience, and communication skills to drive high - impact business outcomes through data-driven innovations and decisions.
  • The software programmer converts data from project specifications and statements of problem and procedure to create or modify computer programs.
  • Involved in designing and development of Data conversion process on the Target application using COBOL DB2 Programming.
  • Responsible for Software Development includes Test Plan development, Test Case design & Execution, Metrics collection and Status Reporting.
  • Solid experience in Mainframe Development, System and System Integration Testing in Software application involves various domain includes Healthcare, Insurance, Automotive, Banking & Credit Cards.
  • Certified Health Care Level -1 (expert in Claims, Health care and Insurance).
  • Expertise in COBOL, DB2, IMS DB/DC, CICS, VSAM, JCL
  • Experience working on MVS, Z/ OS platform using TSO/ISPF
  • Experience working with overseas customers and understanding project requirements before project kickoff - mainly Healthcare, Insurance domain
  • Responsible in programming and developing, performing unit tests.
  • Strong designing skills with extensive usage and knowledge in SDLC, Agile Methodology
  • Strong experience in using tools like ENDEVOR (version control), XPEDITOR (debugging), CA7 (Scheduling).
  • Good Knowledge on working CICS web services, SOAP, WSDL.
  • Mentoring and training new engineers on programming languages for mainframe technology
  • Solid team player, team builder, and an excellent communicator.
  • Monitor and ABEND resolution of MVS CA-7 batch processing.
  • Participated in the functional Design/Detail Design Review meetings.
  • Scheduled the jobs in CA7 scheduler to be executed as a part of Mainframe batch
  • Developed programs for data migration project in Cobol using IBM-DB2.
  • Develop and implement a test automation environment . This includes setting up a repository , creating the framework to support automation script development, and setting up an environment to support Unit , Release , develop tools and scripts for optimization of the software build and delivery process.
  • Perform analysis, design, detail construction and implementation of batch and on-line components for Z/OS, MVS environment.
  • Application development to include: JCL, COBOL, File-Aid VSAM, Abend-Aid, Expeditor, TSO, ISPF, IEBGENER, IDCAMS, IEBCOPY & IEFBR14.
  • Worked on several migration projects for company.
  • Responsibilities included coordinating kickoff meetings and gathering due-diligence.
  • Handled tickets of the severity level Sev-3, Sev-4 and Sev-5 (Production Support).
  • Worked in the end-to-end Mainframe technology & handled several maintenance, development and Testing and Legacy Mainframe Modernization projects.



Databases: IBM- DB2, IMS DB, IMS DC, SQL, IMS


Confidential, Portsmouth, NH

Mainframe Developer


  • Worked closely with business, data governance, SMEs and vendors to define data requirements.
  • Adopted DB2 Performance Tuning techniques during the development process
  • Application supported is Claims (Automotive). Here we use to monitor Disbursement(Money) cycle and later payments to customer forwarded by front desk after validation (Huge Amounts need validation).
  • In this application, we have three different cycles i.e., Development, Model, Production.
  • Supported and monitored Production and Model, if there are any issues will fix it.
  • Involved in Development like Analysis, Design, Coding, Unit Testing, Integration Testing, and Release as per the business requirement.
  • Development of new batch components using COBOL, DB2, JCL, IMS, CICS, VSAM.
  • Detailed Impact analysis of the requirements on existing applications and interfaces.
  • Developed new batch process using COBOL DB2 programming for new claims and existing claims
  • Involved in SORT techniques extensively to improve the batch performance
  • Worked on CA Interest for debugging and unit testing of CICS processes
  • Involved in working with File-Aid, QMF and Spufi for SQL Queries
  • Setup & managed new/secluded environment for UAT that allowed detailed performance/functional testing.
  • Scheduled and Monitored batch process using CA-7 Scheduler
  • Involved in daily monitoring of the Batch cycles
  • Development and Testing of the optimization techniques and Used Change man software for Configuration Management.
  • Implementation the batch process in Production and Support in case of Confidential /Issues
  • Interaction with Business Analyst, SMEs and other Data Architects to understand Business needs and functionality for various project solutions
  • Knowledge transfer to offshore team on business functionality and requirements.
  • Generated weekly Status Reports to the IT manager & participated in weekly status meeting with Team members, Business analysts & Development team.
  • Understand and clarify client requirements , report completion status , assess challenges , risks and change impact on schedule faced in development and support and communicate in advance to stakeholders .
  • Data transformation from various resources, data organization, features extraction from raw and stored.
  • Identifying and executing process improvements for more productivity.
  • Understanding the client business problems and analyzing the data by using appropriate Statistical models to generate insights.
  • Provide technical & requirement guidance to the team members.
  • Manage development & enhancement of Project Change Request from client
  • Responsible for creating utilities for DB2/IMS team. The DB2/IMS tool consists of the following automation JCL Skeleton ISPF/Tables , load, copy, recover, restarts and rebuilds.
  • Using Enterprise Cobol to write exit programs.
  • Define fields and data conversions like Copy Book Layouts for records.
  • Involved in defining test objectives for the applications and performed Manual Testing.
  • Development of Test Cases, Test Plan, Test Strategy and Traceability Matrix based on design requirements
  • Extensively worked on SQL for back end testing on DB2.
  • Performed Integration testing, UAT, Environment Testing
  • Managed the defect management using Application Lifecycle management QC Tool
  • Created and modified test data using File-Aid.
  • Involved in design review meetings, Test case peer review, Requirements review meetings, Team meetings
  • Worked with test JCL on mainframes application testing.
  • Performed Online, Batch QA Testing and Manual Testing.
  • Performed testing of online CICS screens.
  • Monitored the QA batch flows and resolved the related problems.

Confidential, Kansas City, MO

Senior Software Engineer (Mainframe)


  • Analyzed the business requirements of the project by studying the Business Requirement Specification document.
  • Application supported is Claims (6 systems), Admin (8 systems) where supported Life polices, Disability (long term and short term), Dental polices, Health polices etc.,
  • Here we use to monitor Disbursement(Money), Bonus, Commission cycle and checks has been printed and released to customer.
  • In this application, we have three different cycles i.e., Development, Model, Training, Production.
  • Supported and monitored Production, Training and Model, if there are any issues will fix it.
  • Worked with Data Governance, Data quality, data lineage, Data architect to design various models and processes.
  • Independently coded new programs and designed Tables to load and test the program effectively for the given POC's using with COBOL, IBM DB2, CICS
  • Designed data models and data flow diagrams using MS Visio.
  • Modified and tested COBOL and JCL codes per the requests of business departments.
  • Extensive coding using COBOL, JCL, IMS DB/DC and VSAM
  • Development experience in Mainframe CICS screen.
  • Worked on CICS Web Services extensively and build a COBOL code from scratch. Like starting with WSDL, SOAP and modifying existing functionality on screen.
  • Analyzed the existing Cobol programs, Jobs, DB2 Database for the project.
  • Created Functional Designs from the Business Requirement Documents.
  • Responsibility of detecting the pain areas of the process, analysis of the root cause (RCA) and to give the resolution by using different tools and techniques to mitigate the risk involved in the business
  • Worked on Mainframe tools like File-aid, DB2 Catalogue Manager and SPUFI
  • Scheduled workflow runs and analyzed the job failure and provided the relevant solution.
  • Used Agile Methodology for development and testing
  • Worked on Applications like Health care, Insurance (Dental, Life, Disability, etc.,)
  • Trained and mentored new associates with ongoing and upcoming technologies used in the team.
  • Developed new programs to fix software bugs and to add new features.
  • Identified dark areas in the design and helped in refining the model.
  • Involved in testing and debugging and provided high-level support on the new / existing application.
  • Created Component Designs for the impacted modules.
  • Worked in short deadlines and completed the deliverables ahead of time with minimal defects.
  • Ensured continuous interaction with the customer to make sure that area of concern is worked upon for improved service levels and implementing measures to maximize customer satisfaction levels.
  • Technologies used were Mainframes, CA7, JCL, IMS DB/DC, DB2, COBOL and EASYTRIEVE
  • Gathering all the data that is required from multiple data sources and creating datasets that will be used in the analysis.
  • Extensively worked on JCL, COBOL, File-Aid VSAM, Abend-Aid, Expeditor, TSO, ISPF, IEBGENER, IDCAMS, IEBCOPY, IEFBR14, IEBCOMPR, CICS & IBM Utilities.
  • Take up ad-hoc requests based on different departments and locations
  • Creating customized business reports and sharing insights to the management.
  • Interacted with the other departments to understand and identify data needs and requirements and work with other members of the IT organization to deliver data visualization and reporting solutions to address those needs.
  • Expertise in using ENDEAVOR (Version Control).
  • Handled end-to-end project from data discovery to model and Production deployment.
  • Monitoring the automated loading processes.
  • Communicated with other Health Care info by using Web Services with the help of SOAP, WSDL (CICS Web services).
  • Preparing and executing Unit test cases.
  • Responsible for managing teams in the identification of business requirements, functional design, process design (including scenario design, flow mapping), prototyping, testing, training, defining support procedures.
  • Involved in the impact analysis as per the requirement document and prepared the detail design specification document during the application modernization of legacy mainframe.
  • Responsible for Development, Implementation and Testing of the complete business solutions using Mainframe - COBOL, JCL, DB2 & CICS.
  • Worked on SQL query optimization and performance tuning.
  • Manage and deliver components of client engagements that identify, design, and implement technology and creative business solutions for large companies.
  • Responsible for Development, Implementation and Testing of the complete business solution.
  • Adapted Agile Methodology from Requirement specification, Analysis, Design, System integration, Testing, Deployment and Maintenance.
  • Involved in fixing bugs and minor enhancements to the front-end modules.
  • Doing functional and technical reviews.
  • Maintenance in the testing team for System testing/Integration/UAT.
  • Guaranteeing quality in the deliverables.
  • Conducted Design reviews and Technical reviews with other project stakeholders.
  • Was a part of the complete life cycle of the project from the requirements to the production support
  • Created test plan documents for all back-end database modules
  • Shared information with Onsite and they will have coordinated meetings with vendors to define requirements and system interaction agreement documentation between client and vendor system.
  • Generate weekly and monthly asset inventory reports.
  • Running the status meetings with help of Onsite to discuss the critical issues, resolutions and get the status from the project point of view, meeting deadlines etc.
  • Conceptual understanding of the business requirement document.
  • Analyzed the job log and resolved production Confidential, performed impact analysis to resolve user queries.
  • Created Unit Test Documents containing test case procedure, data sources, results and screen captures highlighting input and output data, indicators, and system display statements.
  • Preparation of Technical specification document.
  • Performing Unit Testing and Integration testing in the development region and recording the results.
  • Timely delivery of the results to the client for the request assigned to me.
  • Expertise in Problem solving and Tracking Bug Report & solving Production Confidential .


Software Engineer (Trainee)


  • Trying to understand all the stages in software development life cycle (SLDC) including requirements gathering, software design, development and testing/support
  • Monitoring batch and online mainframe jobs to trying to fix, if there is an issue.
  • Documenting the issue for future reference. (Abend Logs)
  • Learning Production support activities and knowing how to communicate with prod support for solving issue.
  • Worked as a trainee in Confidential for four and half months on Telecom Technologies.
  • Published a journal on Performance of z-monopole antenna fed with cpw. International Journal of Scientific and Research Publications, Volume 2, Issue 12, December 2012 ISSN .

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