COBOL Developer
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Job Description
COBOL Developer evaluating and improving AI-generated COBOL for a client. Reviewing repositories, mainframe code, and legacy modernization approaches remotely from India.
Responsibilities:
- Walk through COBOL repositories authored by the candidate, explaining program structure, business logic, and design decisions
- Write, review, and debug COBOL programs, including copybooks, JCL, and file handling (VSAM, sequential, indexed)
- Evaluate AI-generated COBOL code for correctness, style, and maintainability
- Provide clear written feedback
- Create realistic tasks and test cases based on real-world mainframe and batch-processing scenarios
- Document legacy patterns and modernization approaches, including COBOL-to-Java/C# migration and refactoring monolithic programs
- Improve how modern AI systems understand, write, and modernize COBOL
Requirements:
- 3+ years of hands-on COBOL development
- Created and own at least one meaningful COBOL repository (GitHub, GitLab, Bitbucket, or private codebase)
- Strong grasp of COBOL divisions, data structures (PIC clauses, COMP/COMP-3, REDEFINES, OCCURS), and procedural logic
- Experience with JCL and at least one of CICS, DB2, IMS, or VSAM
- Clear written English and ability to explain code to non-experts
- Experience with IBM z/OS, Micro Focus COBOL, or GnuCOBOL (nice to have)
- Work in banking, insurance, government, or other mainframe-heavy industries (nice to have)
- Exposure to legacy modernization projects (nice to have)
- Familiarity with a modern language such as Java, Python, or C# (nice to have)
Benefits:
- Flexible hours
- Remote work
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