Mainframe Developer

Mainframe Developer

Key Responsibilities

Application Development: Design, write, test, and debug applications using mainframe technologies (COBOL, JCL, DB2, IMS, and CICS).

Reverse Engineering: Analyze and extract business rules, logic, and data flow from existing COBOL and CICS programs.

Database Management: Develop and maintain data management solutions using DB2 and IMS, ensuring optimal performance and reliability.

Online Systems: Develop and maintain CICS-based online applications supporting business-critical operations.

Requirements Collaboration: Work closely with Business Analysts to translate technical findings into future-state business and system requirements.

Performance Optimization: Analyze code and system performance to identify opportunities for improvement.

Testing and Debugging: Conduct unit and integration testing; debug and resolve production issues promptly.

Documentation: Create detailed technical documentation outlining application architecture, logic, and data flow. Required Skills & Qualifications

Programming Languages: Advanced proficiency in COBOL and JCL.

Databases: Strong knowledge of DB2 and IMS database systems.

Transaction Systems: Practical experience developing and managing CICS applications.

Reverse Engineering: Prior experience extracting and interpreting logic from COBOL/CICS codebases.

Analytical Skills: Strong problem-solving, analytical thinking, and attention to detail.

Communication: Excellent written and verbal communication skills for collaboration with cross-functional teams.

Team Collaboration: Effective team player in Agile/Squad-based development environments.