Mainframe Developer

Required Skills:

• COBOL
• JCL
• VSAM
• DB2
• CICS
• Mainframe

• Developed and maintained COBOL batch and online programs to support core business processes, ensuring accurate transaction processing and system reliability.
• Created and modified JCL jobs for batch scheduling, file processing, program execution, and production support across mainframe environments.
• Designed, coded, and optimized DB2 queries, stored procedures, and embedded SQL within COBOL programs for efficient data retrieval, validation, and updates.
• Worked with VSAM files for high-volume data storage, retrieval, and batch processing, including file definition, access path handling, and record-level updates.
• Developed and enhanced CICS online screens and transaction programs to support real-time user interactions and business operations in a high-availability environment.
• Performed end-to-end analysis, coding, testing, and debugging of COBOL
  , CICS
  , DB2
  , and VSAM applications to resolve defects and improve application performance.
• Integrated COBOL programs with DB2 databases and VSAM datasets to support seamless batch and online processing of customer, policy, account, or transaction data.
• Prepared and executed JCL for production deployments, batch job monitoring, restart/recovery handling, and troubleshooting of job abends and performance issues.
• Collaborated with business analysts, testers, and support teams to gather requirements, implement enhancements, and ensure smooth delivery of mainframe application changes.
• Supported system maintenance activities including impact analysis, code migration, production incident resolution, and documentation for COBOL
  , JCL
  , DB2
  , VSAM
  , and CICS components.