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Java Mainframe Developer Jobs (NOW HIRING)

Mainframe Developer

Westlake, TX · On-site

$47 - $60.50/hr

Job Summary We are seeking an experienced Mainframe Developer to support high-volume, business ... Experience with distributed technologies such as Java and RESTful API-based architectures

Cards Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Cards Mainframe Developer Location: Chicago We are looking for an experienced Mainframe Developer ... Knowledge of Python or Java for extended automation or backend integrations * Additional mainframe ...

Cobol / Mainframe Developer

Milwaukee, WI · On-site

$48.25 - $62/hr

Cobol / Mainframe Developer Location: Milwaukee, WI This is for a Cobol / Mainframe Developer who ... JAVA, J2EE, EJB, JavaBeans, JavaScript, servlets, JDBC, struts, JSR-352, Hibernate. * React ...

Mainframe Developer

Tampa, FL · On-site

$44.50 - $57.25/hr

Strong mainframe developer using COBOL, CICS, & JCL * Strong SQL expertise with DB2 background ... Knowledge or Java, J2EE, CWF Methodology, Javascript, and WAS 8.5 a plus Requirements · Defines ...

Mainframe Developer

Plano, TX · On-site

$47 - $60.50/hr

Mainframe Developer Location : Plano, TX Qualifications, Capabilities, and Skills * Formal training ... Python, Java, Unix Shell Scripting & Oracle is a Plus. * Exposure to cloud technologies * Executes ...

Mainframe Developer

Dallas, TX · On-site

$48.50 - $62.25/hr

Strong mainframe developer using COBOL, CICS, & JCL * Strong SQL expertise with DB2 background ... Knowledge or Java, J2EE, CWF Methodology, Javascript, and WAS 8.5 a plus Requirements • Defines ...

Mainframe Developer

Salt Lake City, UT · On-site

$80K - $100K/yr

About the job Mainframe Developer Location: Salt Lake City, Utah, United States Office space ... Prior exposure to Linux/Unix or Java a plus, but training will be provided. Ability to work under ...

Knowledge of scripting languages (e.g., JAVA, Python). * Excellent communication As a Mainframe DevOps Engineer, you will be responsible for assisting in the migration of Mainframe applications to a ...

Sr. Mainframe Developer

Dallas, TX · On-site

$48.75 - $62.50/hr

Title: Sr. Mainframe Developer Location: Tampa, FL, 33647 or Dallas, TX, 75019 or Jersey City, NJ ... Knowledge or Java, J2EE, CWF Methodology, Javascript, and WAS 8.5 a plus Education, Training &/or ...

Mainframe Developer with AI Experience

Memphis, TN · On-site

$43.75 - $56.25/hr

Mainframe Developer with AI Experience Location: Memphis, TN (Onsite/Hybrid as Required) Full-Time ... Knowledge of Java, Python, or other modern application development technologies is a plus. Security ...

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Java Mainframe Developer information

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$10

$53

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How much do java mainframe developer jobs pay per hour?

As of Jun 28, 2026, the average hourly pay for java mainframe developer in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 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.

More about Java Mainframe Developer jobs
What are the most commonly searched types of Java Mainframe Developer jobs? The most popular types of Java Mainframe Developer jobs are:
What states have the most Java Mainframe Developer jobs? States with the most job openings for Java Mainframe Developer jobs include:
What job categories do people searching Java Mainframe Developer jobs look for? The top searched job categories for Java Mainframe Developer jobs are:
Infographic showing various Java Mainframe Developer job openings in the United States as of June 2026, with employment types broken down into 29% Full Time, and 71% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.
Mainframe Developer

Mainframe Developer

Compunnel

Westlake, TX • On-site

$47 - $60.50/hr

Contractor

Posted 21 days ago


Job description

Job Summary
We are seeking an experienced Mainframe Developer to support high-volume, business-critical production platforms within enterprise brokerage and money movement systems. This role involves designing, developing, maintaining, and supporting mainframe applications while collaborating closely with business, product, architecture, operations, and engineering teams.
The ideal candidate will have strong mainframe development expertise, excellent analytical skills, and experience supporting enterprise-scale applications in fast-paced production environments.
Key Responsibilities
  • Develop, maintain, and enhance business-critical mainframe applications and platforms
  • Perform detailed analysis for maintenance and enhancement projects across batch and online environments
  • Design, deploy, and support software releases into production environments
  • Collaborate with business, product, architecture, and engineering teams to deliver high-quality software solutions
  • Work closely with operations teams and vendors to support system stability and operational excellence
  • Develop solutions based on business, system, product, and regulatory requirements
  • Perform unit, functional, and regression testing to ensure application quality and reliability
  • Troubleshoot and resolve high-severity and critical production issues
  • Conduct root cause analysis and implement long-term technical solutions
  • Maintain technical documentation and development artifacts
  • Support ongoing modernization and integration initiatives involving distributed technologies and cloud platforms
  • Participate in continuous learning and technology improvement initiatives

Required Qualifications
  • 7-10 years of software development experience supporting enterprise-wide, business-critical applications
  • Bachelor's degree in Computer Science, Information Systems, or equivalent experience preferred
  • Strong hands-on experience with:
  • COBOL
  • CICS
  • DB2
  • VSAM
  • JCL
  • IBM Utilities
  • FileAID
  • Endevor
  • SQL
  • Debugging tools
  • Schedulers
  • IOMs
  • Experience performing detailed analysis in batch and online mainframe environments
  • Experience supporting production releases and application deployments
  • Strong understanding of data security and secure application practices
  • Strong analytical, troubleshooting, and problem-solving skills
  • Experience handling high-severity and critical production support issues
  • Excellent testing, documentation, and communication skills
  • Ability to work collaboratively in fast-paced Agile or enterprise development environments

Preferred Qualifications
  • Experience writing COBOL and native stored procedures
  • Experience with distributed technologies such as Java and RESTful API-based architectures
  • Exposure to cloud platforms such as AWS or Azure in hybrid mainframe-cloud integration environments
  • Experience supporting modernization or integration initiatives involving legacy and distributed systems
  • Strong understanding of enterprise financial or brokerage platforms

Compunnel logo

About Compunnel

Sourced by ZipRecruiter

Compunnel is a well-known company located in Plainsboro, NJ, US, recognized in the industry of IT Services and Solutions. Established in 1989, Compunnel offers a suite of services that help businesses integrate technology efficiently into their operations, a recognizable name in the IT solutions sphere for over three decades. The company’s service portfolio includes Digital Transformation, Business Intelligence, Cloud Services, Cybersecurity, and Application Modern Services, among others. Guided by its mission "to innovate with industry-leading digital solutions and disruptive tech strategies for unimagining business growth," the company underlines its commitment to offering out-of-the-box solutions to its clients. Remarkable achievements of the company include serving more than 30 Fortune 500 companies and providing job opportunities for over 50,000 individuals.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

1994

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