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Mainframe Application Developer Jobs (NOW HIRING)

TriOptus LLC

Mainframe Engineer

Chandler, AZ · On-site

$50 - $64.25/hr

Candidate must have Mainframe application support experience. * Client is seeking three identical Senior Specialty Systems Operations Engineers to join a Mainframe Production Support team supporting ...

Synapse Tech Services Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS DB Developer Job Location: Wilmington, DE Work Mode: 5 Days Onsite Required ... Hands-on practical experience in system design, application development, testing, and operational ...

New

PROLIM Global Corporation

Mainframe Developer

Minneapolis, MN · On-site

$51.25 - $65.75/hr

Mainframe Developer Descriptions: "Extensive work with sequential files • Strong technical ... Mainframe DB2 - Application Development~IT IS_AMS_Mainframe_DB2 Administration Experience Required ...

New

BI-Commercial

Mainframe Developer at Tampa, FL

Tampa, FL · On-site

$46.25 - $59.50/hr

Mainframe Developer Location: Tampa, FL Experience - 8+ Required Skills: 10+ years' Mainframe Application/COBOL development experience 7+ years' experience in CICS/DB2/VSAM/MQ application development ...

Raas Infotek LLC

Senior Mainframe Developer

Dallas, TX · On-site

Required Skills: * 12+ years of experience in IBM Mainframe application development. * Strong programming experience with COBOL, JCL, CICS, DB2, VSAM, and TSO/ISPF . * Experience with IMS DB/DC is ...

New

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

New

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Job Title- Sr. Mainframe Developer Project Location - Woodlawn, MD (5 days per week onsite ... Investigate and repair application defects related to business logic, middleware, or database (DB2)

BI-Commercial

Mainframe Developer at Omaha, NE

Omaha, NE · On-site

$46.75 - $60.25/hr

Mainframe Developer Location: Omaha, NE * Technical Skills: * Coding Test is Mandatory for this ... Should have experience in Mainframe Application Development along with strong hands-on Cobol, JCL ...

Kyndryl

Fullstack Agentic AI Engineer

Laurel, MD · On-site

$50.25 - $64.50/hr

As a COBOL Mainframe Application Developer, you will work directly with the Department of Labor client personnel as a consultant to support development on their existing Unemployment and Disability ...

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Mainframe Application Developer information

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$10

$48

$66

How much do mainframe application developer jobs pay per hour?

As of Jul 19, 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.
More about Mainframe Application Developer jobs
What states have the most Mainframe Application Developer jobs? States with the most job openings for Mainframe Application Developer jobs include:
What job categories do people searching Mainframe Application Developer jobs look for? The top searched job categories for Mainframe Application Developer jobs are:
Mainframe Application Developer jobs near you
Infographic showing various Mainframe Application Developer job openings in the United States as of July 2026, with employment types broken down into 75% Full Time, 20% Part Time, 1% Temporary, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $101,800 per year, or $48.9 per hour.
Mainframe Engineer

Mainframe Engineer

TriOptus LLC

Chandler, AZ • On-site

$50 - $64.25/hr

Full-time

Re-posted 7 days ago

Job description

Job Description:
  • Position will be working in the Mainframe platform support group.
  • Candidate must have Mainframe application support experience.
  • Client is seeking three identical Senior Specialty Systems Operations Engineers to join a Mainframe Production Support team supporting critical applications in a highly specialized, non-standard environment.
  • This role requires strong hands-on mainframe application support experience and the ability to work in a follow-the-sun model alongside offshore team.

Key Responsibilities:
  • Provide Level 2/3 production support for Automated Credit, Rewards, and Credit Card Hub applications
  • Monitor production systems and ensure system stability and uptime
  • Analyze and troubleshoot failed mainframe jobs (JCL)
  • Perform root cause analysis and support ad hoc job executions
  • Partner with Production Control to restart and recover failed jobs
  • Respond to business user requests and application team needs
  • Maintain and update incident tracking (ServiceNow, JIRA, Confluence)
  • Monitor and respond to application group mailboxes
  • Document incidents, resolutions, and create JIRA stories for follow-up

Required Skills:
  • Strong experience in Mainframe Production Support (application support required)

Technologies/tools:
  • JCL, COBOL, CICS, DB2, CA7, IDCAMS, Mainview
  • File tools: File Manager, File Analyzer, EZTRIEV
  • Experience with ticketing and documentation tools (ServiceNow, JIRA, Confluence or similar)
  • Ability to work in a high-volume, production-critical environment

Additional Details
  • Team is primarily based in Chandler, AZ (preferred location)
  • Candidates should be adaptable, proactive, and comfortable in a specialized/mainframe-heavy environment
  • This is not a typical platform support role-requires a niche skillset

In this contingent resource assignment, candidates may:
  • Consult on complex initiatives with broad impact and large-scale planning for Systems Operations Engineering.
  • Review and analyze complex multi-faceted, larger scale or longer-term Systems Operations Engineering challenges that require in-depth evaluation of multiple factors including intangibles or unprecedented factors.
  • Contribute to the resolution of complex and multi-faceted situations requiring solid understanding of the function, policies, procedures, and compliance requirements that meet deliverables. Strategically collaborate and consult with client personnel.

Required Qualifications:
  • 5 plus years of Systems Engineering or Technology Architecture experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education.

Apply