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Mainframe Developer Jobs in Peoria, IL (NOW HIRING)

Jobtailor

Software Engineer IV

Pekin, IL · On-site

$110 - $190/hr

Uses DevOps and Agile processes to deliver desired functionality quickly and effectively, while ... Requirements * 10+ years of experience within mainframe development * Experience with incident ...

Maui Jim

Senior Analytics Developer

Peoria, IL · Hybrid

$90K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

To serve as the organization's lead analytics developer and advisor, responsible for owning and evolving Maui Jim's enterprise reporting and visualization environment. The role combines hands-on ...

MAUI JIM, Inc.

Senior Analytics Developer

Peoria, IL · On-site

$90K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

To serve as the organization's lead analytics developer and advisor, responsible for owning and evolving Maui Jim's enterprise reporting and visualization environment. The role combines hands-on ...

Caterpillar

Senior Software Engineer, AI & Salesforce

Peoria, IL · On-site

$120K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Leverage AI-assisted development tools such as GitHub Copilot, Claude Code, and similar technologies to improve developer productivity, code quality, testing efficiency, and delivery speed. * Design ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$112K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Hands-on experience with GenAI developer tools * Experience with tools such as GitHub Copilot or Claude Code, or similar AI coding assistants to improve developer productivity, code quality, and ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficiency in automated testing (Playwright), CI/CD pipelines, and DevOps practices. * Experience in mentoring software engineering teams. Additional Skills: * Experience with microservices ...

RC Mowers

Senior Robotics Software Engineer

Peoria, IL

$100K - $140K/yr

We're hiring a senior ROS2 engineer to help us do it. WHAT YOU'D ACTUALLY DO * Develop and ship ROS2 features that enhance machine behavior and unlock new capabilities * Build out our fleet ...

Pentangle Tech

sil engineer1

Mossville, IL · On-site

SIL engineer Location: Mossville, IL Duration: Long Term Client: CAT This role requires full onsite work during the 2nd shift from 12 PM to 10 PM, four days a week 2nd shift, onsite role Join a ...

HSBC

HSBC Fall Application Spotlight

Peoria, IL · On-site

Join us to learn about how you can set yourself up as a strong candidate for our Fall Applications for internship programs, and what the difference between the programs are! We will be showcasing our ...

All JobsMainframe Developer JobsMainframe Developer Jobs in Peoria, IL

Mainframe Developer information

See Peoria, IL salary details

$9

$52

$70

How much do mainframe developer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for mainframe developer in Peoria, IL is $52.38, according to ZipRecruiter salary data. Most workers in this role earn between $46.25 and $59.42 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 operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

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, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

What are popular job titles related to Mainframe Developer jobs in Peoria, IL?

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

What job categories do people searching Mainframe Developer jobs in Peoria, IL look for?

The top searched job categories for Mainframe Developer jobs in Peoria, IL are:

What cities near Peoria, IL are hiring for Mainframe Developer jobs?

Cities near Peoria, IL with the most Mainframe Developer job openings:

Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Peoria, IL as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 86% In-person, and 14% Hybrid job distribution, with an average salary of $108,943 per year, or $52.4 per hour.

Smart COMM Developer

IMR Soft LLC

Peoria, IL • On-site

Other

Posted 4 days ago

Job description

Job Title: Technical Lead – Smart COMM Developer
Location: Peoria, IL (Onsite)
Industry: P&C Insurance
 
We are looking for a Tech Lead who has extensive experience in GhostDraft to join our customer communication management (CCM) team. The role requires you to be well verged with end-to-end document life cycle and able to design, develop, implement and maintain end-to- end customer communication management applications. 
The role involves communicating directly with the customers to understand their requirements and finalize the input file structure. You will leverage latest software technologies and use GhostDraft Hub, Studio, Data workbench and configuration manager, . Use appropriate system methodologies for analysis, design, coding, testing, implementation and modification to create PDF documents and print output streams.
 
Key Responsibilities:
  • Develop end-to-end CCM applications
  • Integrate output queues for printing and electronic channels
  • Understand the customer requirement and finalize the input file structure
  • Thorough understanding of different output formats (AFP, PDF, HTML5, LIVE, Empower)
  • Design and plan business and technical understating documents
  • Create developer and reviewer checklists
  • Create unit test cases for unit testing/SIT and UAT
  • Perform effective QA
  • Identify performance tuning and cost saving activities within project
  • Follow the best practices while development and unit testing period
  • Effectively review daily deliverables
  • Participate in weekly project status calls with customers
Must-Have Skills
  • Experience end-to-End document lifecycle and GhostDraft
  • Experience in direct customer communication
  • Experience in scripting or programming languages (Java, shell script, Cobol, .net)
  • Good debugging and error solving skills
Preferred Skills
  • Property & Casualty (P&C) Insurance domain experience
  • Mainframe/Unix experience
  • Change Management experience
IMR Soft logo

About IMR Soft

Sourced by ZipRecruiter

IMR Soft. is one of the fastest-growing, USA based Information Technology company specializing in software development and IT Services. Founded in 2017, by a team of experienced professionals with a solid base in IT and Management. Headquartered in Princeton, New Jersey. We help clients Create the Future. We deliver innovative information technology solutions and unlimited services that benefit our clients by maximizing their performance. We combine tech expertise and business intelligence to catalyze change and deliver results. In a world that is constantly changing, companies are faced with the challenge of continually adapting to a dynamic environment.

Company size

51 - 200 Employees

Headquarters location

Princeton, NJ, US

Year founded

2017

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