Remote COBOL Mainframe Developer — Modernization

Insight Global (United States)

Ramsey (NJ)

Remote

USD 100,000 - 140,000

Full time

2 days ago

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Job summary

Insight Global is seeking a COBOL Mainframe Developer to maintain and modernize core mainframe applications within a legacy environment undergoing modernization. The role involves supporting integration with modern web technologies such as React, Angular, and HTML5, enabling collaboration across legacy and digital platforms in a fully remote setting while supporting on‑prem infrastructure.

The ideal candidate brings deep COBOL expertise, strong debugging skills, experience with JCL and batch

Qualifications

Strong COBOL expertise in legacy mainframe environments.
Experience with SQL backend/database development and optimization.
Familiarity with JCL, batch processing, and mainframe utilities.
Experience integrating mainframe systems with modern web UIs (React/Angular).

Responsibilities

Develop, maintain, and enhance COBOL-based mainframe applications.
Support integration between mainframe backends and modern web UI (React/Angular).
Write and optimize SQL queries for backend data processing.
Troubleshoot and resolve issues in production and QA environments.
Assist modernization efforts bridging legacy and distributed systems.
Perform code reviews, testing, and technical documentation.
Collaborate with cross-functional teams supporting on-prem systems remotely.