COBOL Developer (Remote)

Job overview

The COBOL Developer (Remote) role is remote, with the listing location in San Francisco, CA. Compensation is not specified. The role supports a customer project focused on training and improving next-generation AI systems. The developer applies COBOL and mainframe expertise to analyze code and business logic, document systems, review technical content, and design test scenarios. This work helps produce accurate AI training materials and supports applicable legacy-system modernization, migration, and integration projects.

What you'll do

• Analyze COBOL codebases, workflows, and business logic
• document programs, processes, and technical requirements
• review code, pseudocode, and project scenarios
• identify edge cases, ambiguities, and potential defects
• annotate technical content for AI training datasets
• design and review test cases
• advise on legacy architecture, integrations, and dependencies
• collaborate with project coordinators and technical experts
• ensure submitted materials are accurate, consistent, and complete
• support modernization, migration, integration, or transformation projects where applicable.

What we're looking for

Skills & competencies

remote

cobol developer

cobol

mainframe development

legacy systems

code analysis

technical documentation

business logic analysis

test case design

jcl

db2

cics

vsam

yo ai labs

Work arrangement

• Weekend coverage required

Why this role

No prior AI experience is required. Familiarity with JCL, DB2, CICS, or VSAM is preferred.

About the employer

YO AI Labs is hiring for this role. Industry: Custom Computer Programming Services. Sector: 54.