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Mainframe Software Developer Jobs in Iowa (NOW HIRING)

Bitco Corporation

Mainframe Developer

Davenport, IA · Hybrid

$43.50 - $55.75/hr

Works with other Software Developers, Senior Software Developers and Leadership team to create ... Creates or enhances applications using a mainframe technology stack * Collaborates with other ...

BITCO Insurance Companies

Mainframe Developer

Davenport, IA · On-site +1

$43.50 - $55.75/hr

Works with other Software Developers, Senior Software Developers and Leadership team to create ... Creates or enhances applications using a mainframe technology stack * Collaborates with other ...

Saige Partners

Mainframe Developer

Davenport, IA · On-site

$46.50 - $59.75/hr

The successful Mainframe Developer will play a critical role in deciphering the functionality of the existing codebase, translating it into clear specifications, and facilitating our modernization ...

Saige Partners

Mainframe Developer

Davenport, IA

$46.50 - $59.75/hr

Our Davenport, IA client has an immediate opening for a talented Mainframe Developer. If you are interested, please send your resume to Dani at dedgington@saigepartners.com As our client continues to ...

Futran Solutions

Mainframe Developer

Des Moines, IA · On-site

$47.75 - $61.50/hr

Mainframe Developer Location: Des Moines, IA Full-Time Qualifications Additional Information All your information will be kept confidential according to EEO guidelines.

Accenture

Mainframe Specialist

Des Moines, IA

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Marshall Technologies

COBOL Developer

Des Moines, IA · On-site

$49 - $66.25/hr

Experience in reporting/analytics using mainframe tools and processes. * Solid understanding of scalable application design principles and software engineering best practices. * Familiarity with ...

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Mainframe Software Developer information

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains software applications that run on large mainframe computers. They often work with languages like COBOL, PL/I, or Assembler and use tools such as IBM Z/OS. Their role involves ensuring the reliability, security, and efficiency of critical enterprise systems.

Is mainframe developer a good career?

Mainframe software developers work with legacy systems that are still critical in many industries such as finance and government. The role offers stable employment, competitive salaries, and opportunities to develop expertise in languages like COBOL and tools like JCL. However, the field is specialized, and ongoing learning of mainframe technologies and certifications can enhance career prospects.

How does a Mainframe Software Developer typically collaborate with cross-functional teams in a modern IT environment?

Mainframe Software Developers frequently work with cross-functional teams that include business analysts, system architects, QA testers, and DevOps engineers. Collaboration often involves participating in daily stand-ups, code reviews, and joint problem-solving sessions to ensure seamless integration of mainframe applications with newer technologies. Developers also play a key role in translating business requirements into robust mainframe solutions, and may be involved in mentoring junior developers or coordinating with offshore teams. This collaborative environment helps ensure that legacy systems remain aligned with evolving business needs and IT strategies.

What is a Mainframe Software Developer?

A Mainframe Software Developer is an IT professional who designs, develops, tests, and maintains software applications that run on mainframe computers. These developers typically work with programming languages such as COBOL, JCL, and Assembler, and are responsible for ensuring the performance and reliability of critical business systems used by large organizations. Mainframe Software Developers often collaborate with business analysts, project managers, and other IT staff to support and enhance legacy systems, as well as to integrate new technologies with existing mainframe infrastructure.

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

AspectMainframe Software DeveloperMainframe Systems Analyst
Required CredentialsBachelor's in Computer Science or related field, certifications like IBM Certified SpecialistBachelor's in IT, Computer Science, or related, often with certifications in mainframe systems
Work EnvironmentDevelops and codes mainframe applications, often in COBOL, PL/I, or AssemblerAnalyzes system requirements, designs solutions, and coordinates between users and developers
Employer & Industry UsageFinancial institutions, government agencies, large corporations using mainframe systemsSame industries, focusing on system analysis, requirements gathering, and process improvements

While Mainframe Software Developers focus on coding and building mainframe applications, Mainframe Systems Analysts analyze existing systems and gather requirements to improve or implement new solutions. Both roles are essential in mainframe environments and often collaborate closely.

Can mainframe be replaced by AI?

Mainframe software developers work with large-scale, legacy systems that require specialized knowledge of mainframe environments, programming languages, and security protocols. While AI can automate certain tasks like data analysis and testing, it is unlikely to fully replace mainframe systems or the developers who maintain them, as mainframes continue to support critical enterprise operations. Instead, AI tools are often integrated to enhance efficiency and modernize existing mainframe workflows.

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

To thrive as a Mainframe Software Developer, you need expertise in COBOL, JCL, mainframe operating systems (such as z/OS), and a background in computer science or related fields. Familiarity with mainframe tools like IBM CICS, DB2, and version control systems, along with certifications such as IBM Certified System Programmer, is highly valued. Strong analytical thinking, problem-solving abilities, and effective communication set standout professionals apart in this field. These skills ensure the maintenance of critical legacy systems, support for business operations, and seamless integration with modern technologies.

What is the salary of a mainframe developer?

The salary of a mainframe software developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior developers with specialized skills in COBOL, JCL, or mainframe environments can earn higher salaries, often exceeding $130,000. Compensation may also include benefits such as bonuses and retirement plans.
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Mainframe Software Developer jobs near you
Infographic showing various Mainframe Software Developer job openings in Iowa as of July 2026, with employment types broken down into 81% Full Time, 7% Part Time, 1% Temporary, and 11% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Mainframe Developer

Bitco Corporation

Davenport, IA • Hybrid

$43.50 - $55.75/hr

Full-time

Posted 19 days ago

Job description

BITCO Corporation is currently seeking a Mainframe Developer to join our Home Office team in Davenport, IA. BITCO provides quality insurance services to special industries including construction, forest products, and oil & gas. This position is eligible for a hybrid work schedule.

Position Summary:

Working as part of the Applications Development team within our Information Technology department, this position is responsible for supporting mainframe technology including the coding, design, modification, and testing of computer programs. This position establishes skills and depth of knowledge across one to several of our supported technical disciplines and business solutions.

Primary Responsibilities:

  • Works with other Software Developers, Senior Software Developers and Leadership team to create specifications, design and develop solutions to meet the needs of our customers
  • Creates or enhances applications using a mainframe technology stack
  • Collaborates with other Software Developers and Senior Software Developers to enhance skillset
  • Consults with internal customers to define application requirements, specifications, and to design information processing procedures ensuring that delivered enhancements meet business needs
  • Ensures our applications stay up and performant, and troubleshoots issues when they surface by analyzing program logic to determine solutions
  • Writes, tests and debugs programs
  • Thoroughly tests changes to ensure they are error free before pushing changes to a higher environment
  • Troubleshoots production issues, and performs system repairs as needed to maintain a properly functioning mainframe
  • Prepares and reviews test data
  • Documents program information and procedures, as directed, or as needed
  • Other programming duties and projects as assigned

Qualifications:

  • Working knowledge and experience with the following:
    • IBM Mainframe experience in JCL, TSO, COBOL, PL/I, and Easytrieve
    • Systems analysis, design, and programming
    • Maintaining and writing code using current Microsoft products or languages specific to your discipline
    • SQL Databases including but not limited to writing queries and stored procedures
    • Requirements gathering, analyzing and determining feasibility, working with others to design and recommend solutions
  • Ability to identify issues and determine appropriate resolutions
  • Basic understanding of project management lifecycles
  • Ability to learn new skills languages as they are released
  • Proven ability to exercise independent judgement and decision making
  • Ability to communicate and work effectively with internal customers
  • Must be able to provide rotating on-call support of production systems
  • Candidates with a programming background who are eager and willing to learn mainframe technology may also be considered

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