Sr. Mainframe Developer Resume
SUMMARY:
- Mainframe professional with 10+ years of extensive experience in Analysis, Development, Maintenance, Testing/Debugging, Production Support and Implementation on various projects in the Insurance domain.
- Experience in design, development and testing of legacy systems like mainframes using PL/I, COBOL, CICS, Natural, ADABAS, JCL, VSAM, DB2, IDMS, IMS DB/DC, SOAP UI, POSTMAN, SAS, SPUFI(SQL),CA7, Expeditor, Change - Man, FILE-AID, MQ and FTP on IBM z/OS platforms.
- Very good hands on experience on XML methodologies including SOAP & REST Web Services.
- Performed multiple roles including team member, Senior Developer, Module lead and Onshore coordinator with great success.
- Substantial exposure to Software Development Life Cycle in prototyping software applications including Requirements Analysis, Program Design, Development, Unit testing, System Integration Testing, User Acceptance Testing, Maintenance and Documentation.
- Proven expertise in user requirements gathering, design, development, maintenance, and production support of mainframe applications.
- Undergone Training in Planning & Prioritizing Skills, Team Building, Defect and Problem Prevention, Quality Processes and Metrics.
- Excellent Customer interface, Team Building, Project handling, Analytical, interpersonal and communication skills.
- Handled several techno-functional responsibilities including estimates, identifying functional and technical gaps, requirements gathering, designing solutions, development, developing documentation, and production support.
- Good understanding and experience with Software Development methodologies like Agile and Waterfall.
- Experienced in design, development, Unit testing, integration, debugging and implementation and production support, client interaction and understanding business application, business data flow and data relations from them.
- Proficient experience in traditional Waterfall model and Agile methodologies i.e., Scrum
TECHNICAL SKILLS:
Database: IDMS, ADABAS, DB2, IMS DB/DC
Files: VSAM
Languages: PL/I, COBOL, JCL, CICS, SAS, Natural
Tools: File-Aid, File Manager, Xpeditor, IBM Fault Analyser, SPUFI, QMF, FTP, WinSQL, Visio.
Job Scheduling/Maintained in: CA7, Control-M
Version controllers: ChangeMan, Endevor, Librarian
Web Technologies: SOAP, RESTful Services
API/Webservice testing tools: POSTMAN, SOAP UI
Messaging Servers: IBM Web sphere MQ 6.1/8.0/8,5
Change management: JIRA, HPSM, Cherwell & ServiceNow
Other technologies: Informatica, Data stage, Cognos
Operating System: Windows XP, IBM Z/OS
PROFESSIONAL EXPERIENCE
Confidential
Sr. Mainframe Developer
Responsibilities
- Participating in the business meetings to understand the business/functional requirements of the Projects and convert them into Technical requirements.
- Prepare & present the Technical requirement document and get the approval from the application design team for making necessary system changes.
- Design & developed the application functionalities with different mainframe technologies using COBOL, PL/I, SOAP Webservice, RESTful Service, VSAM, SCOPE Screens, DB2 and IDMS.
- Design and document the test plans and use case specifications for various functionalities.
- Scheduling message queues using WebSphere MQ.
- Developed COBOL-IDMS DB programs for batch report processing
- Support all code deployments into different regions like performance, UAT and Production.
- Perform technical and functional checkouts after each deployment.
- Coordinating with system testing team & resolve the open bugs (if any)
- Prepare & present the working software demo to Product owners & business users and get their approval for production deployment.
- Facilitating the weekly status meetings on project features with the client to track the status & resolve any open issues.
- Monitored several test batch cycles before moving the change into production
- Creating the deployment package using the ChangeMan & submitting the package for approval using Change Request (CR) created by using Cherwell.
- Represent the CR in EDCAB meetings and get the change approval for production deployment
- As part of deployment activities, prepared the Implementation Plan, Back-out plan (if something goes wrong after implementation) & Post production validation plan.
- As part of post production support, monitoring the online logs & Batch cycles to make sure application is running without any issues.
- Responsible to upload all the project artifacts into share point site.
- Gained coordination experience by interacting with multiple scrum teams as part of project dependencies.
Environment COBOL, PL/I, JCL, DB2, Tablebase tables, ChangeMan,CA7,Xpeditor(online and batch), SOAP/REST Webservices, VSAM, File Aid, QMF, IBM Z/OS, IDMS.
Confidential
Mainframe Developer
Responsibilities
- Convert the business requirement document into Technical specification document.
- Estimate the effort required and complexity of request.
- Present the Technical document to Lead engineer and get the approval for code changes
- Develop the application using COBOL, CICS, VSAM, DB2, SAS and Easytrieve.
- Moving the changes into each test region for each testing phase, i.e., Unit, Integration & Acceptance testing.
- Monitoring the Test batch cycles
- Fixing the batch job issues by making the necessary code changes.
- Provide status updates to clients and coordinate within the team to ensure quality deliverables.
- Developed REXX Macros to automate the daily adhoc reports
- Used SAS procedures such as PRINT, REPORT, SUMMARY for producing customized reports and external files.
- Create and Schedule batch jobs using CA7 and support implementation activities.
Environment COBOL,CICS,DB2,ChangeMan,Xpeditor(online and batch),JCL, VSAM, File Aid, QMF, SAS, REXX, Easytrieve
Confidential
Mainframe Developer
Responsibilities
- Involved in analyzing the existing programs/components where it has the diagnosis code with 9 bytes.
- Prepared the impacted program/components document and get it reviewed from team before making the changes for byte expansion.
- Did the code changes using mainframe technologies like COBOL, VSAM, DB2, JCL
- Present the technical demo with the team
- Prepare & present the test results walk-through with the business and get the approval for deployment.
- Responsible for deploying the changes into different test environments like Unit, Int & Staging regions.
- Monitor daily test batch cycles
Environment COBOL,JCL,DB2,ChangeMan,Xpeditor(online and batch), VSAM, File Aid, QMF, IBM Z/OS