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Full Time Java Mainframe Developer Jobs in Chicago, IL

Sonsoft Inc

Java Ui Frontend Developer

Northbrook, IL

... programming and test driven development. At least 6 years of experience in Java, JEE skills At ... Note:- 1. This is a Full-Time & Permanent job opportunity for you. 2. Only US Citizen, Green Card ...

Sonsoft Inc

Core Java Developer

Chicago, IL

... Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of ... This is a Full-Time Permanent job opportunity for you. * Only US Citizen, Green Card Holder, TN ...

Sonsoft Inc

Core Java Developer

Chicago, IL

... Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of ... This is a Full-Time Permanent job opportunity for you. * Only US Citizen, Green Card Holder, TN ...

RR Donnelley

Associate DevOps Engineer

Warrenville, IL · On-site

$78K - $125K/yr

Non-mainframe: Understanding of Windows/Unix/Linux & Java programming is a plus but not required. Primary Tools Micro Focus Enterprise Developer and Enterprise Server, COBOL, REXX, JCL, Linux, BASH ...

Sonsoft Inc

Java developer with ( Apache Camel)

Chicago, IL

$52.50 - $68/hr

Preferred At least 2 years of Core Java/Spring experience Expert knowledge and strong hands on ... This is a Full Time job oppurtunity. * Only US Citizen , Green Card Holder , GC-EAD , H4-EAD , L2 ...

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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 Jul 21, 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 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 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 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
Java Ui Frontend Developer

Java Ui Frontend Developer

Sonsoft Inc

Northbrook, IL

Full-time

Re-posted 20 days ago

Job description

Company Description

SonSoft is an IT Staffing and consulting firm and duly organized under the laws of the Commonwealth of Georgia. We are growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description

Preferred
At least 6 years technology development and implementation experience.
Knowledge of Agile methodologies (especially Agile XP), including paired programming and test driven development.
At least 6 years of experience in Java, JEE skills
At least 4 years of experience in Object oriented JavaScript with one of AnjularJS or ReactJS
Familiarity with the tools like Intellij-IDE, Github, Spring Framework,MongoDB, Jenkins, dockertoolbox, nodeJS
At least 4 years experience in Extreme programming (for example, pair programming and test-driven development)
At least 4 years of experience in software development life cycle.
Ability to work in team in diverse/ multiple stakeholder environment
Experience in technical skills and aptitude needed to meet/exceed delivery velocity expectations as a full stack developer
Experience to Insurance domain

Qualifications

Qualifications Basic
Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
At least 4 years of experience with Java UI technologies.

Additional Information

** U.S. Citizens and those who are authorized to work independently in the United States are encouraged to apply. We are unable to sponsor at this time.
Note:-
1. This is a Full-Time & Permanent job opportunity for you.
2. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD & L2-EAD can apply.
3. No OPT-EAD, H1B & TN candidates please.
4. Please mention your Visa Status in your email or resume.

Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

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