Mainframe Developer at ApTask

Compensation

$100 – $110/hr

Location: New York, New York
Type: Full-time
Level: senior
Posted: Jun 19, 2026

Description

The client is hiring a Senior Mainframe Developer to support critical enterprise applications through COBOL application development, JCL and Control-M/CCS job management, legacy code analysis and modernization, integration with distributed systems or APIs, production troubleshooting, and QA/UAT support. The role requires at least 8 years of mainframe development experience and offers a salary range of $100,000 to $110,000 annually.

Required Skills

COBOL
JCL
Control-M/CCS
DB2
CICS
Batch processing
Reverse engineering
Refactoring
APIs

Additional Information

Required Previous Experiences: 8+ years of mainframe development experience
Hands-on COBOL experience
JCL experience
Mainframe utilities experience
Control-M or similar scheduling tool experience
DB2 and CICS transaction processing experience
Legacy code analysis, reverse engineering, and refactoring experience
Batch processing and high-volume transaction systems experience
Preferred Qualifications: System integration concepts
Mainframe modernization experience
Distributed systems or cloud integration
Mainframe DevOps practices
Translation Company Name: ApTask