Mainframe Developer

• The Mainframe Developer will be responsible for developing, enhancing, and maintaining mainframe applications along with supporting batch processing, production stability, and system integrations.
• The role involves working across COBOL, JCL, DB2, and Unix/Linux environments while ensuring system performance, reliability, and seamless backend integration. The position also includes production support, troubleshooting, and collaboration with cross-functional teams.

Requirement/Must Have:

• Strong hands-on experience in COBOL, JCL, VSAM, and DB2.
• Strong Unix/Linux shell scripting experience.
• Strong SQL and PL/SQL development skills.
• Experience in batch processing and job scheduling environments.
• Strong debugging, troubleshooting, and root cause analysis skills.
• Experience integrating scripts with relational databases.
• Ability to support production environments and resolve job abends.
• Strong analytical and problem-solving skills.
• Ability to work independently and in a team environment.

Experience:

• Experience in mainframe application development and support (COBOL, JCL, DB2).
• Experience in Unix/Linux scripting and backend integration.
• Experience in production support and performance optimization.
• Experience working in batch processing environments.
• Banking, cards, or financial services domain experience preferred.
• Experience with CI/CD, Git, or DevOps practices preferred.

Responsibilities:

• Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2.
• Debug and resolve mainframe application issues across development, testing, and production environments.
• Optimize COBOL programs, JCL, and DB2 queries for performance and efficiency.
• Support daily batch processing and resolve job abends promptly.
• Develop and maintain Unix/Linux shell scripts for automation and system integration.
• Ensure seamless integration between Unix-based automation and mainframe systems.
• Troubleshoot and enhance existing scripts for stability and performance improvements.
• Develop and maintain PL/SQL procedures, functions, packages, and triggers.
• Perform SQL tuning and optimize database performance.
• Monitor scheduled jobs and resolve production incidents.
• Perform root cause analysis and implement permanent fixes.
• Improve performance of scripts, jobs, and database queries through continuous tuning.
• Collaborate with stakeholders to gather requirements and deliver scalable solutions.
• Participate in Agile ceremonies and cross-functional collaboration.
• Prepare and maintain technical documentation including design and support documents.

Should Have:

• Strong analytical and debugging skills.
• Good understanding of batch processing and automation workflows.
• Ability to manage production support responsibilities.
• Strong collaboration and communication skills.
• Experience in fast-paced enterprise environments.

Skills:

• COBOL, JCL, VSAM, DB2.
• Unix/Linux shell scripting.
• SQL and PL/SQL development.
• Batch processing and job scheduling.
• Production support and incident management.
• Performance tuning and optimization.
• Root cause analysis.
• Database integration.
• DevOps tools (Git, CI/CD) preferred.
• Additional: REXX, CICS, IMS, Assembler (nice to have).