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Overnight Remote Mainframe Developer Jobs in Missouri

Apolis

Mainframe Developer

Saint Louis, MO · Remote

$47.75 - $61.25/hr

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 ...

Walmart

Software Engineer III - Mainframe

Cassville, MO · On-site +1

$90K - $180K/yr

This position is not eligible for remote work. Role summary: The (USA) Software Engineer III will play a critical role in designing, developing, and maintaining scalable software solutions that align ...

Walmart

Software Engineer III - Mainframe

Noel, MO · On-site +1

$90K - $180K/yr

This position is not eligible for remote work. Role summary: The (USA) Software Engineer III will play a critical role in designing, developing, and maintaining scalable software solutions that align ...

Walmart

Software Engineer III - Mainframe

Anderson, MO · On-site +1

$90K - $180K/yr

This position is not eligible for remote work. Role summary: The (USA) Software Engineer III will play a critical role in designing, developing, and maintaining scalable software solutions that align ...

UniGroup Drivers

Software Engineer

Fenton, MO · On-site +1

**This position is fully remote. In order to qualify for this role with UniGroup, you must live in ... Exposure to supporting or enhancing legacy systems (e.g., mainframe environments) * Experience ...

Cogent, Inc

Control Systems Engineer

Fenton, MO · On-site +1

Conduct on-site or remote system commissioning, testing, and operator training. * Assist with ... 20% overnight travel for commissioning, training, or project support as needed. Minimum ...

KEYENCE

Field Application Engineer

Kansas City, MO · On-site +1

$54.30K - $81.04K/yr

Provide on-call, on-site and remote technical support, training, and troubleshooting * Travel ... Willingness to travel (60-100%), including overnight * Valid driver's license and personal vehicle

KEYENCE

Field Application Engineer

Saint Louis, MO · On-site +1

$54.30K - $81.04K/yr

Provide on-call, on-site and remote technical support, training, and troubleshooting * Travel ... Willingness to travel (60-100%), including overnight * Valid driver's license and personal vehicle

Cogent, Inc

Control Systems Engineer

Riverside, MO · On-site +1

Conduct on-site or remote system commissioning, testing, and operator training. * Assist with ... 20% overnight travel for commissioning, training, or project support as needed. Minimum ...

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Overnight Remote Mainframe Developer information

What are the key skills and qualifications needed to thrive as an Overnight Remote Mainframe Developer, and why are they important?

To thrive as an Overnight Remote Mainframe Developer, you need expertise in mainframe programming languages (like COBOL, JCL, or PL/I), experience with legacy systems, and often a degree in computer science or a related field. Familiarity with mainframe tools such as IBM z/OS, TSO/ISPF, and database systems like DB2, as well as knowledge of version control systems, is typically required. Strong problem-solving abilities, attention to detail, and effective remote communication skills help you excel in this role. These skills ensure reliable operation and maintenance of critical legacy systems during off-hours, minimizing downtime and supporting continuous business operations.

What are some common challenges faced by overnight remote mainframe developers, and how can they be managed effectively?

Overnight remote mainframe developers often encounter challenges such as limited real-time support from colleagues, managing critical system updates during off-hours, and maintaining clear communication with daytime teams. To manage these challenges effectively, it's important to establish robust documentation practices, use collaboration tools for handovers, and proactively communicate any issues or changes. Additionally, creating a structured work routine and setting clear boundaries can help maintain work-life balance despite the unconventional hours.

What is an Overnight Remote Mainframe Developer?

An Overnight Remote Mainframe Developer is a software professional who specializes in maintaining, updating, and troubleshooting mainframe systems during overnight hours, typically from a remote location. Mainframes are large, powerful computers used by organizations for critical applications, such as bulk data processing or enterprise resource planning. Working overnight ensures that essential maintenance and updates can occur with minimal disruption to daytime business operations. Remote work allows these developers to perform their duties from anywhere, using secure access to the organization's mainframe systems.

What is the difference between Overnight Remote Mainframe Developer vs Overnight Remote COBOL Programmer?

AspectOvernight Remote Mainframe DeveloperOvernight Remote COBOL Programmer
CredentialsMainframe certifications, programming skillsCOBOL certifications, programming skills
Work EnvironmentRemote, mainframe systemsRemote, mainframe systems
Industry UsageFinancial, insurance, governmentFinancial, insurance, government
Job FocusDeveloping and maintaining mainframe applicationsWriting and debugging COBOL code

Both roles involve working remotely on mainframe systems within similar industries. The main difference is that the Mainframe Developer focuses on developing and maintaining applications, while the COBOL Programmer specializes in coding and debugging COBOL programs. Candidates should have relevant certifications and experience in mainframe environments for both roles.

What are popular job titles related to Overnight Remote Mainframe Developer jobs in Missouri? For Overnight Remote Mainframe Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Overnight Remote Mainframe Developer jobs in Missouri look for? The top searched job categories for Overnight Remote Mainframe Developer jobs in Missouri are:
What cities in Missouri are hiring for Overnight Remote Mainframe Developer jobs? Cities in Missouri with the most Overnight Remote Mainframe Developer job openings:
Overnight Remote Mainframe Developer jobs near you
Mainframe Developer

Mainframe Developer

Apolis

Saint Louis, MO • Remote

$47.75 - $61.25/hr

Other

Posted 21 days ago

Job description

Role: Mainframe Developer
Duration: 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.
Skills:
  • 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

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