COBOL Mainframe Developer - Remote📣 Job Ad

About the Role

YO IT Consulting is seeking a COBOL Mainframe Developer for a full-time contractor position. This remote role is integral to training and evaluating AI models on legacy software engineering workflows, specifically within mainframe environments. The position involves intellectually engaging code evaluation and generation tasks to help AI systems better understand and support enterprise legacy code.

This is a flexible opportunity for experienced COBOL engineers to contribute to AI systems focused on software engineering. You will work on tasks requiring a deep understanding of COBOL, JCL, and related mainframe technologies, providing feedback to enhance AI model performance.

Key Responsibilities

• Read and interpret COBOL programs, copybooks, JCL, and other related mainframe code.
• Write clean, correct, and production-quality COBOL code based on technical requirements.
• Debug COBOL logic and identify issues within existing programs.
• Clearly explain code behavior, business logic, and data flow.
• Review AI-generated COBOL solutions for correctness, completeness, and adherence to coding standards.
• Create or evaluate test cases for COBOL programs to ensure functionality and accuracy.
• Provide high-quality feedback to improve the performance of AI models on legacy code tasks.

Qualifications and Requirements

• Strong hands-on experience with COBOL development.
• Demonstrated ability to read and write COBOL code independently.
• Familiarity with mainframe environments such as IBM z/OS is preferred.
• Experience with JCL, VSAM, DB2, CICS, or copybooks is considered a plus.
• Strong debugging and code review skills.
• Clear written communication skills in English.
• Prior experience in banking, insurance, government, or enterprise legacy systems is a plus.
• Experience working on real-world COBOL systems, beyond academic examples.
• Ability to explain legacy code clearly to both technical and non-technical audiences.
• Comfort in evaluating code quality and reasoning through edge cases.
• Experience in maintaining or modernizing large legacy codebases is beneficial.

Required Skills

• COBOL
• JCL
• VSAM
• DB2
• CICS
• Copybooks
• Debugging
• Code Review
• English Communication

Work Environment and Details

This is a remote, full-time contractor position with YO IT Consulting. The role is based in Jeddah, Makkah, Saudi Arabia, with the flexibility of remote work. While specific experience years are not detailed, the role is open to individuals with a foundational understanding of COBOL development.