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Mainframe Application Developer Jobs (NOW HIRING)

Spectra Group

$50/hr

Mainframe Application Developer - 3 Months Contract to Full Time 3 Months Contract to Full Time Possibility of Extension: Y Possibility of conversion to FTE: Y Working hours: 7.5 Hours Daily Toronto ...

PRIMUS Global Services, Inc

Mainframe Developer

Tampa, FL · On-site

$40 - $42/hr

Please share Mainframe Developer profiles matching the below JD for Tampa, FL (Onsite) . JD: COBOL ... Requirements: * 10+ years of Mainframe Application/COBOL development experience. * 7+ years of ...

Donato Technologies, Inc

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

Mainframe Developer Experience: 10+ Years Tampa, FL 45 Miles * 10+ years' Mainframe Application/COBOL development experience * 7+ years' experience in CICS/DB2/VSAM/MQ application development

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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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What states have the most Mainframe Application Developer jobs? States with the most job openings for Mainframe Application Developer jobs include:
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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.
US Application Developer - Mainframe Modernization

US Application Developer - Mainframe Modernization

Donato Technologies, Inc

Jersey City, NJ • On-site

Contractor

Posted 22 days ago

Job description

US Application Developer - Mainframe Modernization
Location: Jersey City, NJ
 
 
 
Skills Required:
"-Datacon DB is mandatory skill.
- Have understanding of functionality that we do using MF Technology and interface - Consultant with Tech and BU, More BU centric
- Programs: Online and Batch, Cobol, CICS, MVS
- Data store: CA-Datacom, SQL enabled Table, DB2
- Interfaces: MQ, MoveIT
- Code Repository: CA-Librarian
- File Storage Management: vsam, sequential
- Dev Tools: TSO, ROSCOE, DQuery, Intertest.
Strong technical analysis skills"".
Ability to provide support for Maintenance and Operation activities to support existing Mainframe application"
 

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.