> Markdown version of [/jobs/ext/276149-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/276149-mainframe-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Mainframe Developer

- **Company:** The Smart
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Unit Testing, Customer Information Control System (CICS), COBOL (Programming Language), Databases, IBM DB2, Relational Databases, Software Debugging, Endevor, Job Control Language (JCL), Mainframes, SAS (Software), Virtual Storage Access Methods, System Availability, File-aid, Integration Tests
- **Published:** May 16, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6821cc3852562274

## About the Role

Do you have experience in Mainframe development?, Do you have a Associate's degree?, Senior Level (10 or more years of relevant experience), * 10 or more years of experience with mainframe systems

 * 10 or more years of experience with MVS COBOL development
 * 10 or more years of experience working with JCL
 * 10 or more years of experience working with IDMS Network databases
 * 10 or more years of experience working with DB2
 * 7 or more years of experience with CA-ADS
 * 5 or more years of experience with Changeman
 * 5 or more years of experience with CICS
 * 5 or more years of experience with VSAM
 * Associate's degree or equivalent professional experience

Preferred Qualifications

 * Experience with SAS
 * Experience with File-Aid
 * Experience supporting Medicaid or Medicare claims processing systems
 * Experience with MQ messaging
 * Experience with Endevor or Xpeditor tools

Core Skills & Attributes

 * Strong analytical and problem-solving capabilities
 * Excellent written and verbal communication skills
 * Ability to work effectively in fast-paced and high-pressure environments
 * Strong collaboration and teamwork skills
 * Self-motivated with strong time management abilities
 * Flexibility and adaptability to changing priorities

## Description

The Senior Mainframe Developer supports enterprise Medicaid systems with a focus on claims adjudication, payment processing, and legacy system enhancements. This role is responsible for maintaining and updating production systems, supporting ongoing initiatives, and collaborating with cross-functional teams to ensure reliable system performance. The position requires strong technical expertise in mainframe technologies along with effective communication and teamwork skills in a fast-paced environment., Mainframe Development & System Maintenance

 * Develop, modify, and maintain COBOL applications running on mainframe systems
 * Implement coding changes to support claims adjudication and payment processing workflows
 * Work with IDMS Network and Relational databases to support application functionality
 * Perform debugging, unit testing, and integration testing for all changes

Production Support & Issue Resolution

 * Support production systems and resolve defects or performance issues
 * Collaborate with QA teams to address issues identified during testing phases
 * Participate in on-call rotation to support system availability and operational continuity
 * Ensure timely resolution of incidents and system defects

Collaboration & Project Support

 * Work collaboratively with development, QA, operations, and business teams
 * Support smaller project initiatives and enhancements alongside ongoing system maintenance
 * Communicate progress, issues, and solutions effectively across stakeholders
 * Contribute to system improvements and support evolving business needs

Testing, Validation & Deployment Support

 * Support Quality Assurance, User Acceptance Testing, and external testing activities
 * Make necessary code adjustments based on testing outcomes
 * Ensure changes meet functional and technical requirements prior to production release


## Related Videos

- [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization)
- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)
- [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside)

## Related Articles

- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)
- [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)