Cobol Developer

Mercor
San Francisco, NY
Category Data Analyst
Job Description
Mercor is looking for a COBOL Code Reading / Writing Expert to connect elite creative and technical talent with leading AI research labs. The ideal candidate will have strong hands-on experience with COBOL development and be able to read and write COBOL code independently.

Requirements

  • Read and interpret COBOL programs, copybooks, JCL, and related mainframe code.
  • Write clean, correct COBOL code based on technical requirements.
  • Debug COBOL logic and identify issues in existing programs.
  • Explain code behavior, business logic, and data flow clearly.
  • Review AI-generated COBOL solutions for correctness, completeness, and style.
  • Provide high-quality feedback to improve AI model performance on legacy code tasks.

Benefits

  • Competitive hourly rate of $80–$100/hour
  • Opportunity to work with leading AI research labs
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