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Mainframe Developer Jobs in Wisconsin (NOW HIRING)

TIER4 GROUP

Software Integration Engineer

Franklin, WI · Hybrid

$96K - $130K/yr

Proficiency in IBM MQ (Linux, MQ Appliance, Mainframe MQ preferred). * Strong skills in Python, Java, Shell Scripting, and Git. * Experience in reverse engineering and system analysis. * Familiarity ...

MIT RESOURCE

Sr. Java Developer

Madison, WI · On-site

$57.75 - $73.50/hr

Experience building and deploying large scale Java web applications Conceptual knowledge of information technologies and methodologies in mainframe, midrange, Web and PC computing environments ...

Shadow Plastics Inc.

WI · On-site

$65 - $95/hr

The Technical Sales Engineer performs a variety of inside sales duties including answering ... Good M2K mainframe and personal computer skills including Windows, Word and Excel skills. * Good ...

Rice Lake

Technical Sales Engineer

Rice Lake, WI · On-site

The Technical Sales Engineer performs a variety of inside sales duties including answering ... Good M2K mainframe and personal computer skills including Windows, Word and Excel skills. * Good ...

Atria Group LLC

Guideware Consultant

Madison, WI

Our company provides application analysis, design, development and programming, software ... Excellent skills in Data Bases (GreenPlum, Oracle, DB2 Mainframe) (worked at least 2 to 3 years in ...

U.S. Bank

WI · On-site

$98 - $116/hr

The candidate will be adept with the agile software development lifecycle and DevOps principles. Essential Responsibilities * Responsible for designing, developing, testing, operating and maintaining ...

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$10

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How much do mainframe developer jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for mainframe developer in Wisconsin is $53.88, according to ZipRecruiter salary data. Most workers in this role earn between $47.55 and $61.15 per hour, depending on experience, location, and employer.

What is a mainframe developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

What are the key skills and qualifications needed to thrive as a mainframe developer?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

Is a mainframe developer a good career?

A mainframe developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are the most commonly searched types of Mainframe Developer jobs in Wisconsin?

The most popular types of Mainframe Developer jobs in Wisconsin are:

What are popular job titles related to Mainframe Developer jobs in Wisconsin?

For Mainframe Developer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Mainframe Developer jobs in Wisconsin look for?

The top searched job categories for Mainframe Developer jobs in Wisconsin are:

What cities in Wisconsin are hiring for Mainframe Developer jobs?

Cities in Wisconsin with the most Mainframe Developer job openings:

What are popular job titles related to Mainframe Developer jobs in WI?

For Mainframe Developer jobs in WI, the most frequently searched job titles are:

Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Wisconsin as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $112,065 per year, or $53.9 per hour.

Certified Microsoft .NET web Developer III

VNSURE BUSINESS SOLUTIONS PRIVATE LIMITED

Madison, WI • On-site

Full-time

Re-posted 6 hours ago

Job description

Job Summary:
VNSURE BUSINESS SOLUTIONS PRIVATE LIMITED is seeking a .NET web Developer II to provide applications development and support for various UI-related applications. The role involves working on high priority development projects and requires familiarity with client application systems and procedures.
Responsibilities:
• The primary purpose of this contractual service agreement is to provide applications development and support for various UI-related applications, with a primary focus on the SUITES, Benefits Claimant Portal, Worker Portal, and UlB Net applications.
• Candidates will play an integral role on self-directed work teams in support of high priority development projects.
Qualifications:
Required:
• VB.NET - 8 years
• Oracle PL-SQ - 8 years
• Object oriented Design - 5 years
• Excellent oral and written communication skills – 8 Years
• Analytical/problem solving skills – 8 Years
• Web and client-server application development experience, including requirements gathering, design, coding, testing, implementation, and support – 8 Years
• Excel (MS) – 5years
• Word (MS) – 5years
• Outlook (MS) – 5years
• Understanding of project management methodologies and experience with 'agile' – 5years
• Oracle – 8 Years
• Oracle SQL tuning – 5years
• Team Foundation Server – 5years
• Experience with Oracle PL/SQL – 5years
• Documenting requirements – 5years
• Execution and Documentation of Regression, System & User – 5years
• Acceptance Test Plans, Test Scenarios and Test Results for a Large Mainframe System – 5years
• Experience as a developer in a large, very complex organization – 5years
• In-Depth Knowledge of System Development Life Cycle Deliverables for each phase of development – 5years
• Requirements analysis – 5years
• Requirements gathering – 5years
Preferred:
• Knowledge of client Unemployment Insurance Systems
• Previous experience providing this service for government, insurance, accounting, or case management systems a plus, and experience with DWD's development environment will be especially valuable.
Company:
VNSURE BUSINESS SOLUTIONS PRIVATE LIMITED is a company based out of Plot 9 Ram Nagar North Extension 2nd street, Velachery, Chennai 600042 Founded in 2002, the company is headquartered in Chennai, IND, with a team of 11-50 employees. The company is currently Early Stage.

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