Mainframe Developer (COBOL)

Posted Yesterday
Hiring Remotely in Pembroke Pines, FL, USA
In-Office or Remote
Senior level
Hospitality
The Role
Analyze and document existing COBOL codebases to create accurate AI training data. Review, annotate, and evaluate COBOL scripts and sample scenarios, identify edge cases, design test cases, and collaborate with coordinators and technical experts to ensure completeness and clarity in deliverables.
Summary Generated by Built In
Job Description

  • Job Title: Mainframe Developer (COBOL)
  • Job Type: Contractor
  • Location: Remote

About the hiring company:

Our client is a rapidly growing, venture-backed AI company helping shape the next generation of intelligent systems. By combining world-class human expertise with advanced machine learning workflows, they enable leading AI organizations to build, evaluate, and improve cutting-edge models used across a wide range of industries.

The company works with highly accomplished professionals in fields such as software engineering, finance, healthcare, legal, operations, research, and other specialized domains. These experts contribute directly to the development of advanced AI systems by providing real-world knowledge, evaluations, feedback, and domain-specific judgment that help models reason more accurately and perform more effectively.

Leveraging a proprietary AI-driven talent assessment and matching platform, the organization identifies exceptional professionals globally and connects them with high-impact projects at the forefront of artificial intelligence.

Backed by more than $40 million in funding and supported by a rapidly expanding international network of experts, the company is building critical human intelligence infrastructure for the AI economy and creating meaningful opportunities for professionals to apply their expertise in entirely new ways.

Job Summary:

Scope of Work

  1. Analyze, interpret, and provide guidance on existing COBOL codebases for the creation of AI training data.
  2. Develop clear, accurate documentation of COBOL logic, workflows, and business rules to inform AI-driven systems.
  3. Evaluate sample code and project scenarios, offering expert feedback and identification of potential edge cases or ambiguities.
  4. Review and annotate COBOL scripts or pseudo-code, supporting the development of robust machine learning datasets.
  5. Contribute to designing test cases and scenario outlines that represent real-world COBOL applications.
  6. Collaborate with project coordinators and other technical experts through effective written and verbal communication.
  7. Ensure technical accuracy and completeness in all submitted materials to enhance AI learning outcomes.

Preferred Qualifications

  1. Proven experience and deep proficiency in COBOL development across diverse business domains.
  2. Strong analytical skills with the ability to decode complex legacy systems and articulate their function.
  3. Demonstrated capability to produce precise, user-friendly technical documentation.
  4. Exceptional written and verbal communication skills, with attention to clarity and detail.
  5. Previous experience with large-scale migration, integration, or modernization projects (a plus).
  6. Familiarity with mainframe environments and related tooling.
  7. Ability to work autonomously, manage deliverables, and meet project milestones in a remote setting.

Additional Information

A very attractive and competitive package is offered.

Skills Required

  • Proven experience and deep proficiency in COBOL development across diverse business domains.
  • Strong analytical skills with the ability to decode complex legacy systems and articulate their function.
  • Demonstrated capability to produce precise, user-friendly technical documentation.
  • Exceptional written and verbal communication skills, with attention to clarity and detail.
  • Previous experience with large-scale migration, integration, or modernization projects.
  • Familiarity with mainframe environments and related tooling.
  • Ability to work autonomously, manage deliverables, and meet project milestones in a remote setting.
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The Company
HQ: Pembroke Pines, FL
21 Employees

What We Do

EVB helps property owners placing and managing all of their bookings through Airbnb and many other online platforms drastically increasing their properties short-term rentals revenue generation. EVB organizes information of the properties before tenets come in and professionalize both your property advertisement and immediate communications with guests with the utmost of customer service. EVB offers total host and guest satisfaction, rearranging your property advertisement to its fullest attraction potential.

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