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Full Time Java Mainframe Developer Jobs in Chicago, IL

Two95 International Inc.

Mainframe Developer

Rosemont, IL

$49.25 - $63.50/hr

Fulltime Mainframe-L2 (Mandatory) As a Lead, you are responsible for managing a small team of analysts, developers, testers or engineers and drive delivery of a small module within a project ...

Two95 International Inc.

Mainframe Developer

Rosemont, IL · On-site

$49.25 - $63.50/hr

Fulltime Mainframe-L2 (Mandatory) As a Lead, you are responsible for managing a small team of analysts, developers, testers or engineers and drive delivery of a small module within a project ...

Two95 International Inc.

Mainframe Developer

Rosemont, IL

$49.25 - $63.50/hr

Fulltime Mainframe-L2 (Mandatory) As a Lead, you are responsible for managing a small team of analysts, developers, testers or engineers and drive delivery of a small module within a project ...

Capgemini

Mainframe Developer - Onsite Chicago, IL

Chicago, IL · On-site

$50.50 - $65/hr

... Java for extended automation or backend integrations. • Additional mainframe skills such as: o ... Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ...

Broadcom

Mainframe Software Development Engineer

Lisle, IL · On-site

$91K - $146K/yr

Has mastered the basics of operating as a developer in the IBM mainframe environment * Mainframe Assembler, Metal C, Java and Rest APIs * Mainframe debugging skills using IPCS, VM Trace, XDC, etc.

Broadcom

Mainframe Software Development Engineer

Lisle, IL · On-site

$91K - $146K/yr

This position is concentrated on the mainframe platform, with development in Assembler language ... Familiarity with Java programming language is a plus Additional Compensation and Benefits The ...

360 IT Professionals

Java/J2EE Architect

Chicago, IL

$65 - $87.50/hr

... between mainframe application systems and various IBM and Microsoft Server Operation Systems ... Developer, Clear Case, Clear Quest); DB2 on z/OS and AIX * Detailed knowledge of analysis ...

Dunn Solutions Group

Java Developer

Skokie, IL · On-site

$48.75 - $63/hr

Java Developer Job Duties: Defines site objectives by analyzing user requirements; envisioning ... position is Full-Time Permanent salaried with benefits. Our benefits include an attractive ...

Contact Government Services, LLC

Java Developer

Chicago, IL · On-site

$52.50 - $68/hr

Java Developer Employment Type: Full-Time Department: Information Technology CGS is seeking a Java developer/programmer to join a team working on the enhancement of data utilization for a large ...

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Full Time Java Mainframe Developer information

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$10

$54

$74

How much do full time java mainframe developer jobs pay per hour?

As of Jun 3, 2026, the average hourly pay for full time java mainframe developer in Chicago, IL is $54.99, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $62.40 per hour, depending on experience, location, and employer.

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

To thrive as a Full Time Java Mainframe Developer, you need proficiency in Java programming, mainframe technologies like COBOL or JCL, and a relevant degree in computer science or a related field. Familiarity with mainframe development tools (e.g., IBM z/OS, TSO/ISPF), version control systems, and sometimes certifications such as IBM Certified System Programmer are typically required. Strong problem-solving, communication, and teamwork skills help developers translate business needs into robust mainframe solutions and collaborate across diverse IT teams. These capabilities ensure the reliable modernization, maintenance, and integration of enterprise-level legacy systems with new Java applications.

What are some common challenges faced by Full Time Java Mainframe Developers when integrating modern Java applications with legacy mainframe systems?

A common challenge for Full Time Java Mainframe Developers is ensuring seamless communication between modern Java-based applications and existing mainframe systems, which often use older technologies and data formats. Developers need to address issues such as data mapping, protocol compatibility, and performance optimization to maintain reliable and efficient integration. Additionally, understanding both Java and mainframe environments is crucial, as troubleshooting can require knowledge of mainframe batch jobs, COBOL code, or CICS transactions alongside Java frameworks. Collaborative work with mainframe specialists and clear documentation are essential for overcoming these challenges.

What is a Full Time Java Mainframe Developer?

A Full Time Java Mainframe Developer is a professional who specializes in developing, maintaining, and enhancing applications that run on mainframe systems using the Java programming language. These developers often integrate modern Java-based applications with legacy mainframe systems, ensuring seamless data flow and system compatibility. Their responsibilities may include coding, debugging, testing, and optimizing applications for performance on mainframe platforms, as well as collaborating with other IT professionals to support business operations. This role typically requires knowledge of both Java and mainframe technologies like COBOL, JCL, and CICS.

What is the difference between Full Time Java Mainframe Developer vs Mainframe Developer?

AspectFull Time Java Mainframe DeveloperMainframe Developer
Required SkillsJava, Mainframe (COBOL, JCL), DB2, CICSCOBOL, JCL, DB2, CICS
Work EnvironmentBanking, Finance, Insurance sectors with Java and Mainframe integrationLegacy systems in banking, government, insurance
CertificationsJava certifications, Mainframe certifications (e.g., IBM Certified)Mainframe certifications (e.g., IBM Certified)

Full Time Java Mainframe Developers combine Java programming with traditional Mainframe skills, working on integrated systems in finance and banking. Mainframe Developers focus primarily on legacy systems using COBOL and JCL. The former often requires Java certifications, while the latter emphasizes Mainframe-specific credentials. Both roles are vital in industries maintaining legacy systems but differ in technical focus and skill set.

What are popular job titles related to Full Time Java Mainframe Developer jobs in Chicago, IL? For Full Time Java Mainframe Developer jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Full Time Java Mainframe Developer jobs in Chicago, IL look for? The top searched job categories for Full Time Java Mainframe Developer jobs in Chicago, IL are:
Full Time Java Mainframe Developer jobs near you
Infographic showing various Full Time Java Mainframe Developer job openings in Chicago, IL as of May 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Hybrid job distribution, with an average salary of $114,373 per year, or $55 per hour.
Mainframe Developer

Mainframe Developer

Two95 International Inc.

Rosemont, IL

$49.25 - $63.50/hr

Full-time

Posted 8 days ago

Job description

Title: Mainframe Developer

Location: Rosemont,IL

Duration: Fulltime

Job Description:

Mainframe-L2 (Mandatory)

As a Lead, you are responsible for managing a small team of analysts, developers, testers or engineers and drive delivery of a small module within a project (Delivery/Maintenence/Testing) You may serve as entry level specialist with expertise in particular technology/industry domain/a process / application / product. You are responsible for functional/technical track of a project.

Minimum work experience:5 - 8 Years

TWO95 International logo

About TWO95 International

Sourced by ZipRecruiter

At TWO95 International, we believe it is imperative that a hiring company is assured of procuring the right candidate to fill a job requirement. We have an extensive local and International network, and a fully digitalized sourcing approach that allows us to find a candidate best suited for the job. Furthermore, we strive to secure well matched opportunities that align with the personal and career aspirations of our candidates.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Cherry Hill, NJ, US

Year founded

2009

Social media

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