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.