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# Application Programmer III

- **Company:** Experis
- **Location:** Jacksonville, FL, United States
- **Experience:** Experienced
- **Salary:** $124,800 - $135,200
- **Contract:** Temporary contract
- **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, DevOps, Job Control Language (JCL), Git, Jenkins
- **Published:** November 5, 2026
- **Apply:** https://www.experis.com/en/job/417109/application-programmer-iii

## About the Role

Our client, Financial Services is seeking a Application Programmer III to join their team. As a Application Programmer III, you will be part of the Technology department supporting Prime Brokerage and Professional Clearing application teams. The ideal candidate will have strong problem-solving skills, clear communication, and a positive, constructive approach to troubleshooting and continuous improvement, which will align successfully in the organization., + Expert-level experience developing COBOL applications on IBM z/OS, with strong understanding of mainframe software development practices.

 + Skilled in software and systems architecture, including the ability to translate requirements into reliable technical solutions.
 + Strong working knowledge of COBOL, JCL, CICS, DB2, and IMS.
 + Experience supporting or building applications related to prime brokerage, settlements, clearing, margin, or risk.
 + 3+ years of mainframe development experience, plus excellent verbal and written communication skills.

## Description

+ Develop new system functionality and deliver maintenance and enhancements for critical Prime Brokerage and Professional Clearing applications on the IBM z/OS mainframe platform.
 + Perform analysis, design, coding, testing, and documentation for new or modified applications using COBOL and related mainframe technologies.
 + Provide production support for existing applications, including troubleshooting and resolving issues to maintain stability and performance.
 + Collaborate with other developers to build high-performance, scalable solutions that meet performance and security requirements.
 + Stay current with development trends and research new technologies that can improve delivery and operational effectiveness.
What's Needed?