Mainframe Developer

Position: Mainframe developer

Location: Charlotte NC

Job Type: Contract

Job Summary:-

We are seeking experienced technical professionals to provide development production support and deep diagnostic expertise for a large mission-critical legacy commercial loan accounting platform. This highly customized system is based on Level 3 from AFS built in COBOL and operating through a 3270 interface with extensive online transaction processing via CICS and a complex VSAM master file architecture.

Key Responsibilities

Application Development & Enhancement

o Maintain and enhance COBOL-based mainframe applications supporting commercial loan accounting.

o Implement new features and optimize existing code for performance and reliability.

Production Support & Diagnostics

o Provide L2/L3 support for mission-critical applications ensuring system stability and availability.

o Perform deep diagnostic analysis troubleshoot incidents and deliver permanent resolutions.

o Manage large-scale batch processing environments using CA7 scheduling coordinating complex inbound and outbound file exchanges.

System Integration

o Support real-time integrations including synchronous web-based interactions via CICS Web Services (CWSDirect).

o Manage asynchronous messaging and system interoperability through MQ.

Collaboration & Communication

o Work closely with deconversion teams and interface partners across multiple upstream and downstream systems.

o Document processes provide clear technical communication and ensure smooth coordination in a highly interdependent environment.

Required Skills & Qualifications

Strong expertise in COBOL JCL CICS VSAM DB2.

Experience with CA7 scheduling and large-scale batch environments.

Hands-on knowledge of CICS Web Services (CWSDirect) and MQ messaging.

Proven ability to support and troubleshoot mission-critical financial applications.

Strong diagnostic and problem-solving skills in complex mainframe environments.

Excellent written and verbal communication skills for cross-team collaboration.

Preferred Qualifications

Prior experience with AFS Level 3 or similar commercial loan accounting platforms.

Familiarity with legacy-to-modernization initiatives and system deconversion projects.

Background in financial services or banking technology.

Required Skills:

MainframeCOBOLCA7CICS