COBOL Developer - Mainframe Specialist | Upto $100/hr [Remote]
$100 per hourMercor
San Francisco, CA
- Remote job
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 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.
Qualifications
Must-Have
- Strong hands-on experience with COBOL development.
- Ability to read and write COBOL code independently.
- Strong debugging and code review skills.
- Clear written communication in English.
Preferred
- Familiarity with mainframe environments such as IBM z/OS .
- Experience with JCL , VSAM , DB2 , CICS , or copybooks.
- Prior experience in banking, insurance, government, or enterprise legacy systems.
Application Process (Takes 20–30 mins to complete)
- Upload resume
- AI interview based on your resume
- Submit form
Resources & Support
- For details about the interview process and platform information, please check:
- For any help or support, reach out to: Show email
PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
Vacancy posted 23 days ago
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