Junior COBOL Developer for AI Training

Work on a remote contractor engagement supporting legacy mainframe applications and modernization efforts. As a Junior COBOL Developer you will analyze COBOL programs, document application logic and data flows, and provide high-quality written and verbal input that helps train next-generation AI systems. No prior AI experience is required; domain expertise in COBOL and clear communication are the key contributions for this role.

micro1 is an AI data lab that converts real-world subject matter expertise into training data and evaluations for advanced models. Contributors apply domain knowledge across industries to create high-quality inputs that improve how AI systems learn, reason, and perform.

• Analyze, interpret, and document COBOL code for legacy system applications.
• Identify and explain program logic, data flows, and integration points within COBOL environments.
• Provide detailed written and verbal responses to project-specific prompts and tasks.
• Contribute domain knowledge to the creation and refinement of AI training data sets.
• Review and clarify technical requirements and specifications to ensure accurate model understanding.
• Collaborate virtually with project managers and technical stakeholders to meet deliverables and milestones.
• Participate in feedback sessions to iteratively improve project outputs and model performance.

• Proficiency in COBOL programming.
• Familiarity with mainframe or midrange environments.
• Experience interpreting legacy system documentation and business logic.
• Understanding of data processing patterns, batch operations, or transaction management in COBOL.
• Strong written and verbal English communication skills, able to explain complex technical concepts clearly.
• Keen attention to detail and a methodical approach to code analysis and documentation.
• Comfort working in collaborative, remote teams.
• Curiosity about AI systems and willingness to support innovative technology initiatives. No prior AI experience required.

• Engagement type, contractor.
• Location, remote.
• Role will support a customer project focused on legacy system support and modernization.
• Collaboration is virtual with project managers and technical stakeholders.

Pay range, $90 to $120 per hour.