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Mainframe Application Developer Jobs (NOW HIRING)

Teradata

Sr. Mainframe Application Developer

$50.25 - $64.50/hr

They are seeking a skilled Mainframe Developer to support and evolve mainframe-based connectivity ... application performance using tools such as SDSF and SMF • Collect, analyze, and debug system ...

Teradata

Sr. Mainframe Application Developer

$50.25 - $64.50/hr

They are seeking a skilled Mainframe Developer to support and evolve mainframe-based connectivity ... application performance using tools such as SDSF and SMF • Collect, analyze, and debug system ...

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How much do mainframe application developer jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for mainframe application developer in the United States is $48.94, according to ZipRecruiter salary data. Most workers in this role earn between $43.51 and $56.97 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Application Developer vs Mainframe Systems Analyst?

AspectMainframe Application DeveloperMainframe Systems Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing system requirements and optimizing mainframe processes
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe developmentSystem analysis, troubleshooting, and documentation skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsCollaborating with users and IT teams to improve systems
Industry UsageFinancial services, insurance, government agenciesSame industries, focusing on system analysis and process improvement

While both roles work within mainframe environments and require similar certifications, Mainframe Application Developers focus on creating and maintaining mainframe applications, whereas Mainframe Systems Analysts analyze and improve existing systems and processes. Both roles are essential in industries relying on mainframe technology, but their daily tasks and focus areas differ.

What are mainframe application developers?

Mainframe application developers are IT professionals who design, develop, maintain, and support software applications that run on mainframe computers. These specialists work with programming languages like COBOL, PL/I, or Assembler and use tools specific to mainframe environments such as IBM z/OS. Their responsibilities often include updating legacy systems, ensuring software reliability, and integrating mainframe applications with modern technologies. They play a crucial role in industries like banking, insurance, and government, where mainframes are essential for handling large-scale transaction processing.

What are the key skills and qualifications needed to thrive as a Mainframe Application Developer, and why are they important?

To thrive as a Mainframe Application Developer, you need expertise in COBOL, JCL, DB2, and a solid understanding of mainframe operating systems, often backed by a degree in computer science or related fields. Familiarity with tools like IBM z/OS, TSO/ISPF, and version control systems such as Endevor is typically required. Strong analytical thinking, problem-solving, and effective communication skills set successful developers apart in this role. These competencies are crucial for maintaining legacy systems, ensuring data integrity, and supporting critical business operations efficiently.

How does a Mainframe Application Developer typically interact with cross-functional teams in an organization?

Mainframe Application Developers often collaborate closely with business analysts, QA testers, and infrastructure teams to ensure applications meet business requirements and integrate smoothly with other systems. They participate in regular meetings to discuss project updates, troubleshoot issues, and clarify technical specifications. Effective communication is key, as developers may need to explain complex mainframe concepts to non-technical stakeholders and work with diverse teams to deliver high-quality, reliable software solutions.
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Mainframe Application Developer jobs near you
Infographic showing various Mainframe Application Developer job openings in the United States as of May 2026, with employment types broken down into 79% Full Time, 2% Part Time, 7% Temporary, and 12% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $101,800 per year, or $48.9 per hour.
Mainframe Application Developer

Mainframe Application Developer

West Advanced Technologies (WATI)

Sacramento, CA • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Mainframe Application Developer
Sacramento, CA
12+ months
Onsite position - locals only
Required Skills:
Design, build, test, implement, and maintain software applications using OS/VS Cobol with Report Writer, SoftwareAG Natural/ADABAS, and JCL in a zOS 2.3 Environment.
Ability to develop/maintain online and batch functions.
Knowledge and skills in the use of TSO, Panvalet, COMPLETE, and FileAid
Excellent analytical skills required to review existing code and provide feedback regarding current functionality.
Excellent verbal and written communication skills.
Ability to work within a team environment.
Regards
Naresh Damagalla
West Advanced Technologies, Inc
E: naresh.d@wati.com

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