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Java Mainframe Developer Jobs in Illinois (NOW HIRING)

Legacy, Java/WebSphere) in order to facilitate business processes across the broader business ... SAP, Oracle, WebSphere/J2EE, PeopleSoft and Legacy system (Mainframe) integration experience ...

... Java, XML, HTML, Selenium, BDD, Jenkins, Karate, Postman, DB Visualizer, SQL Developer, Git, Bit Bucket, Microsoft Office Mainframe, KTS, MDM, Hue, Putty, Hadoop. Salary range: $140,000.00 - $165,000 ...

... Network/Mainframe/ Databases/Applications) to gather information for platform and account ... Java scripts/codes to automate CyberArk jobs. Required Skills : CyberArk CorePAS and Conjur, Basic ...

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Java Mainframe Developer information

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$9

$51

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How much do java mainframe developer jobs pay per hour?

As of Jul 6, 2026, the average hourly pay for java mainframe developer in Illinois is $51.72, according to ZipRecruiter salary data. Most workers in this role earn between $45.67 and $58.70 per hour, depending on experience, location, and employer.

What are some typical daily responsibilities for a Java Mainframe Developer?

A Java Mainframe Developer typically spends their day designing and coding Java applications that interface with mainframe systems, often working with legacy code in languages like COBOL. They are responsible for troubleshooting and debugging issues, performing system integrations, and ensuring data flows correctly between distributed systems and the mainframe. Collaboration with business analysts, QA testers, and infrastructure teams is common to gather requirements and ensure smooth deployments. Additionally, they may participate in code reviews, document technical solutions, and support ongoing modernization efforts. This diverse set of tasks creates a dynamic work environment with opportunities to learn and grow technically.

What are the key skills and qualifications needed to thrive in the Java Mainframe Developer position, and why are they important?

To thrive as a Java Mainframe Developer, you need a strong background in Java programming, mainframe technologies (such as COBOL, JCL, and CICS), and experience with database systems like DB2. Familiarity with version control tools, middleware, and frameworks used for modernization—plus certifications like Oracle Java Programmer or IBM Mainframe—are often essential. Strong problem-solving skills, effective communication, and the ability to collaborate with cross-functional teams set standout candidates apart. These skills ensure successful integration of modern applications with legacy systems, seamless project delivery, and efficient teamwork in complex enterprise environments.

What is a Java Mainframe Developer job?

A Java Mainframe Developer is responsible for developing, maintaining, and optimizing applications that run on mainframe systems using Java and related technologies. They often work with legacy systems, integrating Java-based applications with COBOL, DB2, CICS, or other mainframe technologies. Their role includes enhancing system performance, troubleshooting issues, and ensuring seamless communication between modern and legacy systems. They may also work on migration projects, moving applications from mainframes to cloud or distributed environments.

What are popular job titles related to Java Mainframe Developer jobs in Illinois? For Java Mainframe Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Java Mainframe Developer jobs in Illinois look for? The top searched job categories for Java Mainframe Developer jobs in Illinois are:
Infographic showing various Java Mainframe Developer job openings in Illinois as of June 2026, with employment types broken down into 53% Full Time, 11% Part Time, 33% Contract, and 3% Nights. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $107,587 per year, or $51.7 per hour.
Mainframe Software Development Engineer in Test

Mainframe Software Development Engineer in Test

Broadcom

Lisle, IL

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago


Broadcom rating

8.7

Company rating: 8.7 out of 10

Based on 23 frontline employees who took The Breakroom Quiz

11th of 141 rated electronics manufacturers


Job description

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Job Description:

Job Description Summary

Experienced Software Development Engineer in Test: Plans, designs, develops and executes tests for software enhancements and fixes/patches.

Knowledge: An experienced professional with a full understanding of area of specialization. This job is a fully qualified, career-oriented, journey-level position. The position involves testing and validation of mainframe-based applications.

Job Complexity: Works on problems of diverse scope where analysis of data requires evaluation of identifiable factors. Demonstrates good judgment in selecting methods and techniques for obtaining solutions. Networks with senior internal and external personnel in own area of expertise.

Supervision: Normally receives little instruction on day-to-day work, general instructions on new assignments.

Experience: Typically requires a minimum of 5 years of relevant industry experience.

Job Description

We are looking for experienced Software Engineers in Test to participate in an Agile development environment producing functional software solutions for delivery to our customers. In this role, you should be able to work independently with little supervision while also collaborating with team members. You should have excellent organization and problem-solving skills, and experience in Agile development methodologies. The individual and team goal will be to develop high-quality software that is aligned with user needs and business objectives in a mainframe computing environment.

Responsibilities

  • Performing validation and verification testing of both new features and product fixes
  • Developing and executing high-quality software tests in a continuous integration environment
  • Developing, implementing, and maintaining robust test automation pipelines
  • Assessing code coverage and identifying/resolving testing gaps
  • Automating tasks through appropriate tools and scripting
  • Ensuring test pipelines are up to date with latest technologies
  • Collaborating and providing Quality Assurance subject matter expertise in an Agile team environment
  • Coordination with management and internal teams

Requirements

  • Practical experience in mainframe development and testing environment
  • Analytical mind with problem-solving aptitude
  • Proficiency with Job Control Language (JCL) for batch workload
  • Proficiency in Scripting languages (Python, JSON, REXX)
  • Proficiency in CI/CD test automation frameworks (Jenkins)
  • Strong understanding of Security protocols and ESMs
  • Experience with REST API Automation (RestAssured) is a plus
  • Experience with Java and Javascript/Typescriptis a plus
  • Experience with Junit/TestNG framework is a plus
  • Experience with JMeter for Stress and Load testing is a plus

Compensation and Benefits


The annual base salary range for this position is USD 109,700.00 To USD 175,500.00

As a valued member of our team, you'll be eligible for a discretionary annual bonus and the opportunity to receive not only a competitive new hire equity grant, but also annual equity awards, connecting your success directly to the company's growth. All subject to relevant plan documents and award agreements.


Broadcom offers a competitive and comprehensive benefits package: Medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence.


Broadcom is proud to be an equal opportunity employer. We will consider qualified applicants without regard to race, color, creed, religion, sex, sexual orientation, national origin, citizenship, disability status, medical condition, pregnancy, protected veteran status or any other characteristic protected by federal, state, or local law. We will also consider qualified applicants with arrest and conviction records consistent with local law.


If you are located outside USA, please be sure to fill out a home address as this will be used for future correspondence.


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