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Java Mainframe Developer Jobs (NOW HIRING)

Edge Global

$47.50 - $61.25/hr

Mainframe Developer with IMS Background Location: Wilmington, DE Duration: Contract 100% Onsite (5 ... The tech stack used is Java FSD, Python, Mainframe technologies(COBOL, JCL, DB2, IMS,MQ) etc as ...

Sonoma Consulting Inc.

Mainframe EDI Developer

Glenview, IL · On-site

$48.25 - $62.25/hr

... JAVA a plus Knowledge of FTP and AS2 communications is a plus Additional Information Keywords: Mainframe, EDI, Cobol, Sterling Integrator, GIS, B2BI, DB2, SQL Similar Titles: EDI Mainframe Developer ...

Glow Networks

Java Developer with Mainframe

Dallas, TX · On-site

$53.75 - $68.50/hr

Role: Java Developer with Mainframe Location: Philadelphia, PA Bachelor's degree (or foreign equivalent) in Computer Science, Engineering, or a related technical field Define and develop test ...

USG, Inc.

Mainframe Engineer/Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Mainframe Engineer/Developer Location: New Jersey (hybrid Onsite) Job Type: Contract We are seeking ... Experience with Java and front-end technologies such as Angular Education: Bachelor's degree in ...

NAVA Software Solutions

Mainframe Engineer

Somerset, NJ · On-site

$49.25 - $63.25/hr

NAVA Software solutions is looking for a Mainframe Engineer Details: Mainframe Engineer Location ... Legacy application migration; going from mainframe to java * 7+ year road map; losing legacy staff ...

Avani Technology Solutions, Inc.

Java Developer

Harrisburg, PA · On-site

$50.25 - $65.25/hr

The Java team is a part of a developer pool with Java, Mainframe and a few other skill-sets. These developers will work on small projects to start and eventually both large and small depending on ...

Sensiple Inc.

Senior Mainframe Engineer

Columbus, IN · On-site

Senior Mainframe Engineer Work Location: Columbus, IN (Onsite) Duration: Long Term Contract ... Knowing Java/distributed solutions will be a plus. * Strong verbal and written communication skills ...

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How much do java mainframe developer jobs pay per hour?

As of Aug 10, 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?

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.

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Java Mainframe Developer jobs near you
Infographic showing various Java Mainframe Developer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

Mainframe Developer || New York, NY || FTE

IT First Source

Manhattan, NY • On-site

$54 - $69.50/hr

Other

Posted 3 days ago

New

Job description

Mainframe Developer || New York, NY || FTE

Job Summary:

We are seeking a skilled Mainframe Developer with a strong emphasis on Assembler programming. The ideal candidate will be responsible for developing, maintaining, and enhancing mainframe applications to meet business requirements. This role requires a deep understanding of mainframe technologies and a commitment to delivering high-quality solutions in a timely manner.

Responsibilities:

  • Design, develop, and implement mainframe applications using Assembler and other relevant programming languages.
  • Analyze business requirements and translate them into technical specifications.
  • Collaborate with cross-functional teams to ensure seamless integration of mainframe applications with other systems.
  • Perform debugging, testing, and troubleshooting of mainframe applications to ensure optimal performance.
  • Maintain and enhance existing mainframe applications, ensuring they meet current business needs.
  • Document technical specifications, processes, and procedures for future reference.
  • Participate in code reviews and provide constructive feedback to peers.
  • Stay updated with the latest trends and technologies in mainframe development.

Mandatory Skills:

  • Strong knowledge and experience in Assembler programming.
  • Proficiency in mainframe technologies, including JCL, COBOL, and DB2.
  • Solid understanding of mainframe architecture and operating systems.
  • Experience with debugging and performance tuning of mainframe applications.
  • Ability to analyze complex technical issues and provide effective solutions.

Preferred Skills:

  • Familiarity with modern development methodologies, such as Agile or DevOps.
  • Experience with version control systems, such as Git or Subversion.
  • Knowledge of additional programming languages, such as C or Java.
  • Understanding of database management systems and data modeling.
  • Excellent communication and collaboration skills.

Qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Relevant certifications in mainframe technologies are a plus.
  • Strong analytical and problem-solving skills.
  • Ability to work independently and as part of a team.
  • Commitment to continuous learning and professional development.

Thanks, IT First Source

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