Remote COBOL & Mainframe Specialist for AI Training

YO AI Labs; New York (NY); Remote; USD 83,000 - 138,000; Part time

Job summary

YO AI Labs is seeking a COBOL Developer for remote contract work. You will analyze COBOL codebases, document business logic, and provide expert feedback on legacy systems to support AI training data.

Responsibilities include reviewing COBOL programs, identifying defects, and outlining test scenarios for real-world mainframe applications. Strong writing and remote collaboration are essential.

Qualifications

• Proven professional experience as a COBOL Developer or Mainframe Developer.
• Strong proficiency in COBOL programming and legacy application environments.
• Experience with mainframe systems and related technologies.
• Understanding of complex legacy codebases, business rules, and workflows.
• Excellent analytical and problem-solving skills.
• Ability to explain complex technical concepts clearly and accurately.
• Strong technical writing and documentation skills.

Responsibilities

• Analyze COBOL codebases, workflows, and business logic.
• Document COBOL programs, system processes, and requirements clearly.
• Review COBOL code, pseudocode, and scenarios for accuracy.
• Identify edge cases, ambiguities, defects, and clarifications.
• Annotate COBOL scripts to support AI training data.
• Design and review test cases representing real-world COBOL apps.
• Provide guidance on legacy architecture, integrations, and dependencies.
• Collaborate with project coordinators and technical experts remotely.
• Ensure technical materials meet accuracy, consistency, and completeness.
• Support legacy-system modernization, migration, or integration projects.

Skills

COBOL

Mainframe Development

Legacy Systems

JCL

DB2

CICS

VSAM

Code Analysis

Technical Documentation

Business Logic Analysis

Test Case Design

Problem Solving

Attention to Detail

Technical Communication

Remote Collaboration

Tools

JCL

DB2

CICS

VSAM

Job description

YO AI Labs is seeking a COBOL Developer for remote contract work. You will analyze COBOL codebases, document business logic, and provide expert feedback on legacy systems to support AI training data.

Responsibilities include reviewing COBOL programs, identifying defects, and outlining test scenarios for real-world mainframe applications. Strong writing and remote collaboration are essential.