Senior Mainframe Developer – Remote, COBOL/DB2 Expert

Ampcus, Inc; New York (NY); Remote; USD 120,000 - 160,000; Full time

Job summary

Ampcus Inc. is hiring a Senior Mainframe Application Developer to maintain and enhance critical mainframe applications from a remote-friendly New York location.

You will design, develop and optimize mainframe solutions using COBOL, DB2, JCL, and related tools while coordinating with partners and teams. The role demands 7+ years of senior-level mainframe experience, strong problem-solving skills, and the ability to work autonomously in a remote setting.

Qualifications

• 7+ years of senior-level experience in mainframe application development.
• Strong COBOL expertise and mainframe tooling knowledge (JCL/VSAM/TSO).
• Experience integrating mainframe systems with modern applications and debugging complex production issues.

Responsibilities

• Design, develop, and maintain mainframe applications using COBOL and Core Mainframe technologies.
• Manage and optimize DB2 databases and SAM-related tasks.
• Integrate mainframe systems with modern applications using Java.
• Troubleshoot complex technical issues and provide senior-level production support.
• Proactively identify areas for system improvement and optimization.

Skills

Mainframe development

COBOL

Java integration

DB2

Remote work

Tools

JCL

VSAM

TSO/ISPF

Job description

Ampcus Inc. is hiring a Senior Mainframe Application Developer to maintain and enhance critical mainframe applications from a remote-friendly New York location.

You will design, develop and optimize mainframe solutions using COBOL, DB2, JCL, and related tools while coordinating with partners and teams. The role demands 7+ years of senior-level mainframe experience, strong problem-solving skills, and the ability to work autonomously in a remote setting.