Mainframe Developer
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.1
Reclaim your time by letting our AI handle the grunt work of job searching.
We continuously scan millions of openings to find your top matches.
Overview
Remote
On-site
Compensation
$50-$55/hour
Job Description
Role: Mainframe DeveloperDuration: 12+ Months Location: Remote Only W2 We are seeking a Mainframe Developer to develop, enhance, and support mission-critical applications on IBM z/OS. This role includes batch and/or online transaction processing, database work (DB2/IMS), testing, and production support. Roles & Responsibilites
- Design, develop, and maintain mainframe applications using COBOL (and/or PL/I), JCL, and related technologies.
- Develop and support batch processing jobs (job streams, scheduling coordination, restarts, abend handling).
- Build and maintain online applications using CICS and/or IMS TM, including transaction and screen/program changes.
- Develop and optimize data access using DB2 (SQL) and/or IMS DB; perform basic performance tuning as needed.
- Conduct impact analysis, estimate effort, and deliver enhancements/defect fixes through the SDLC (Software Development Life Cycle).
- Perform debugging, root-cause analysis, and resolution of production issues; participate in on-call/support rotations as required.
- Create and maintain technical documentation (program specs, job flows, runbooks, release notes).
- Collaborate with cross-functional teams (business, QA, operations, infrastructure) to ensure stable releases and successful deployments.
- Follow secure coding practices and comply with audit, access control, and data handling requirements.
- Hands-on experience with IBM z/OS mainframe development.
- Strong proficiency in COBOL (or PL/I)
- Strong proficiency in JCL and batch job processing concepts
- Working experience with DB2 (SQL development and data handling) and/or IMS
- Experience with ISPF/TSO and ability to navigate datasets, job logs, and execution outputs
- Debugging and troubleshooting skills (including abend analysis)
- Understanding of SDLC practices, testing, and release/change processes
- Strong communication and documentation skills
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.
FAQs About Mainframe Developer Jobs at Apolis
What is the work location for this position at Apolis?
This job at Apolis is located in Saint Louis, MO, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.
What pay range can candidates expect for this role at Apolis?
Candidates can expect a pay range of $50–$55 per hour for this role.
What employment applies to this position at Apolis?
The employer has not provided this information. This may be discussed during the hiring process.
What is the process to apply for this position at Apolis?
You can apply for this role at Apolis either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.