Mainframe Developer

Roles & Responsibilities:

• Design, develop, enhance, and maintain mainframe applications using COBOL, CICS, JCL, and VSAM.
• Develop and modify COBOL programs based on business and functional requirements.
• Develop and maintain CICS online transactions and application components.
• Create and modify JCL jobs for batch processing and application execution.
• Design, create, and maintain VSAM files and perform file processing operations.
• Analyze functional and technical requirements and translate them into technical solutions.
• Perform unit testing, integration testing, and debugging of mainframe applications.
• Analyze existing code and implement enhancements, fixes, and new functionalities.
• Troubleshoot program errors and resolve technical issues during development and testing.
• Participate in code reviews and ensure adherence to development standards.
• Prepare technical specifications, test cases, and technical documentation.
• Coordinate with business analysts, QA teams, and other technical teams throughout the development lifecycle.
• Support application releases and ensure successful implementation of developed changes.
• Optimize application code and batch processes for improved performance and efficiency.

Must-Have Skills:

• Strong hands-on experience in COBOL development.
• Strong knowledge of CICS and online application development.
• Hands-on experience with JCL and batch processing.
• Strong understanding of VSAM and file processing.
• Good knowledge of z/OS, TSO, and ISPF.
• Experience with debugging and troubleshooting COBOL/CICS applications.
• Good understanding of mainframe application architecture and development lifecycle.
• Strong analytical and problem-solving skills.
• Experience in writing and executing unit and integration test cases.
• Good understanding of SDLC and software development processes.