COBOL Developer - Mainframe Specialist

Mercor

Full-time computer-and-mathematical
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Location
San Francisco, California, United States
Posted
June 06, 2026

Job Description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: COBOL Code Reading / Writing Expert
Type: Contract
Compensation: $80–$100/hour
Location: Remote

Role Responsibilities

  • 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 c...