Mainframe Developer Resume
Schaumburg, IL
SUMMARY
- Having 8.7 years of Overall experience in the IT industry.
- 7.7 years extensive experience Mainframe technology in software development and maintenance.
- 1 year extensive development experience in VAX / VMS or OpenVMS.
- Domain or functional experience in Healthcare, Banking, Telecom and Retail domain.
- Proficient in developing batch / online programs using COBOL, CICS, DB2, JCL.
- Good working knowledge in DB2 & SQL, have written simple to complex queries for batch processing using Stored Procedures, load/unload routines.
- Strong hands on experience in OpenVMS or VAX/VMS technologies like Dec COBOL, DCL, Dec FORMS, RDB, CMS and Indexed Files.
- Involved in Job scheduling using Jobtrack and Control - M schedulers tools for batch processing.
- Good working knowledge in VSAM and Sequential file processing.
- Strong hands on experience in mainframe tools like Changeman, DB2 Stored Procedure, JOBTRAC, File-Aid, File-Aid for DB2, Xpeditor, Infoman, BMCADM.
- Everyday work involves coordination with external & internal technology & business teams, vendors & business partners.
- Worked on cross platform application development with Mainframes and support for .NET frontend with DB2 Stored procedures.
- Good working knowledge in Unit / Integration Testing, User Acceptance Testing and Implementation activities & Production support.
- Proficient in preparing documentation for Application development projects like Business Requirement Document (BRD), High Level Design Document (HLD), Low level design Document (LLD), Unit Test Plan (UTP), Unit Test Case (UTC), Unit Test Result (UTR) etc... Also worked on documents including deployment plan document.
- Excellent written and verbal communication skills, strong analytical, problem solving, interpersonal skills, quick learning abilities and a good team player Flexible to handle Additional responsibilities.
- Experience in SDLC process. Analysis, Design, Coding, Unit Testing, SIT, UAT and Implementation experience
- Experience in Agile methodology.
TECHNICAL SKILLS
Primary Skills: JCL, COBOL, DB2, VSAM, CICIS, Dec COBOL, DCL, Dec FORMS, IFDL
DBMS: DB2, Oracle and RDB
Front End / GUI: CICS, Dec FORMS, ACMS
Development Tools: File-Aid, SPUFI, QMF, Xpeditor, BMC-DB2 tool, TSO/ISPF, MS Office, CMS
Testing Tools: Expeditor
Design Tools: Microsoft office(Visio, Power point, Word & MS Excel)
Version Control Tools: ChangeMan, Endeavor & Visual Source Safe (VSS)
Operating Systems: Mainframe Z/OS, OpenVMS or VAX/VMS, Windows 7, Unix
Incident management Tools: Servicenow
PROFESSIONAL EXPERIENCE
Confidential, Schaumburg, IL
Mainframe Developer
Responsibilities:
- Responsibilities as a Lead.
- Gathering the requirement, joining requirement analysis calls.
- Coordinate with SMEs and BAs to understand the requirement.
- Provide estimates / sizing as per the requirement.
- Involved in all kinds of walkthroughs with various clients / multi-vendor.
- POC for all the projects / deliverables.
- Extensively involved in design, coding and testing.
- Involved in impact analysis for the Change requests and provided design changes and estimates.
- Involved in all phases of SDLC documentation preparation and reviews.
- Extensively involved in application software analysis, architecture, design, development, testing and implementation and quality assurance.
- Created data flow and system integration diagrams to explain the current flows.
- Responsible for creating several new CICS programs used to help drive development and maintenance of new online interface applications.
- Development of programs with Cobol-DB2, by creating Batch and Online modules and Stored Procedures that can be called from backend and distributed environment.
- Worked on ChangeMan for software version control (check In/Check Out) of all mainframe code elements.
- Design and development of programs and jobs using JCL, COBOL, DB2, VSAM, CICS, Stored Procedures and Jobtrack.
- Involved in DB2 utilities by working on the Unload, Load, Reorg, Runstats and Image copy of DB2 tables.
- Involved in Scheduling of jobs by considering the other Predecessor and Successor dependencies.
- Worked on Performance tuning of programs.
- Good understanding of HIPPA.
- Good experience using Medispan and IPEM file structures
- Coordination with QA and UAT team for any bug fixes.
- Preparing the detailed implementation plan to manage and monitor the. implementation activities.
- Participated in Production support activities. Monitored the new application & data validation post deployment.
- Coordinating with DBA teams as and when necessary.
- Involved in designing, planning and managing the data migration process
- Created migration status tables and captured the status.
- Task allocation for resources and monitoring.
- Mentored the team members in coding standards and reuse of codes.
- Conducted knowledge transition (KT) sessions with the new team to make them understand the application thoroughly.
Environment: COBOL, JCL, DB2, CICS, ISPF, ChangeMan, MS-VISIO, HP-QC 11(Quality Centre), SPUFI, Servicenow, DB2 Stored procedures, File-Aid, File-Aid for DB2, Xpeditor, Infoman
Confidential
Responsibilities:
- This project is following SDLC development methodology for software development, maintenance and Production Support
- Involved in requirement gathering from the Client directly & created functional analysis documents.
- Involved in Application design and design of data flow from front end to backend systems.
- Created batch jobs using JCL and required instructions for scheduling.
- Created complex business logic as DB2 stored procedures to service frontend reporting screens to directly access mainframe DB2 tables.
- Involved in coding online modules using CICS.
- Involved in documentation, design walkthroughs and code reviews.
- Preparing the HLE estimates based on the impacts identified with details of changes required to meet the requirements.
- Worked on ChangeMan for software version control (check In/Check Out) of all mainframe code elements.
- Design and development of programs and jobs using JCL, COBOL, DB2, VSAM, CICS, Stored Procedures and Jobtrack.
- Involved in preparing test plans for Independent Unit testing and Work package testing.
- Testing the Applications for the business requirement and responsible for delivery from offshore.
- Involved in System integration and User Acceptance testing.
- Responsible for correct versioning of code by creating and moving the packages using Changeman.
- Preparing the detailed implementation plan to manage and monitor the implementation activities.
- Also involved in monitoring the Batch Cycles.
- Reviewing programs for QA.
- Coordinating with various teams across globe for various projects and its phases.
- Coordinating with DBA teams as and when necessary.
- Implementation & Release Support.
- Task allocation for resources and monitoring.
- Mentoring the team.
Environment: COBOL, JCL, DB2, CICS, ISPF, ChangeMan, MS-VISIO, HP-QC 11(Quality Centre), SPUFI, Servicenow, DB2 Stored procedures, BMC Admin, File-Aid, File-Aid for DB2, Xpeditor, Infoman
Confidential
Responsibilities:
- Requirement Gathering and Analysis
- Technical Design Document preparation and review.
- Program spec preparation and review.
- Build & unit testing of Online Programs.
- Peer reviews (Online Programs developed by the team).
- Implementation plan & document preparation.
- Implementation release support.
Environment: COBOL, JCL, DB2, VSAM & CICS
Confidential
Responsibilities:
- Coding.
- Unit testing of the code.
- Peer Reviewing of programs.
- Analyzing the data in live region
- Fixing the data and sending the response to user and updating INFRA accordingly.
- Monitoring the Batch
- Providing On-call support.
- Resolving Tickets as per SLA
Environment: DEC COBOL, RDB, DCL, IFDL, TDF and ACMS