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Mainframes Developer Jobs in New Jersey (NOW HIRING)

Sr. Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

Job Role: Sr. Mainframe Developer Location: Jersey City, NJ Duration Long Term * Minimum of 10 years' experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF. * Similar experience ...

Mainframe Developer

Jersey City, NJ · On-site

$50 - $55/hr

Good understanding of mainframe file structures (VSAM, flat files). * Batch processing and ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

Mainframe Developer

Warren, NJ · On-site

$51 - $65.50/hr

This is for a mainframe developer that will be tasked to perform analysis, design, coding and testing of small, medium to large projects for the Rating, Billing and Finance (RBF) VISION development ...

About the Role We are seeking a Senior Mainframe DevOps Architect to lead solution design and own end-to-end architecture for enterprise customers-translating complex business requirements into ...

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

MAINFRAME DEVELOPER CONTRACT DURATION: UP TO 3 MONTHS CONTRACT WITH POSSIBLE EXTENSION LOCATION: TRENTON, NJ 08625 (2 DAYS IN OFFICE REQUIRED) CONTRACTOR WILL BE RESPONSIBLE FOR ANALYSIS, DESIGN ...

Mainframe Developer

Hoboken, NJ · On-site

$100K - $110K/yr

If you're passionate about mainframe technology and ready to make a real impact, we want to hear from you! Responsibilities: * Develop, maintain, and optimize mainframe applications and systems

Sr Cobol Developer

Trenton, NJ · On-site

$50 - $65/hr

Senior Mainframe Developer / COBOL Senior Consultant Location: Trenton, NJ (Onsite) Duration : Contract Interview Type: In person Job Summary Candidates should have strong background in Cobol, ADABAS ...

Mainframe Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Required Skill and Experience • Strong experience in COBOL, CICS, DB2, VSAM on Mainframes • ... CD, DevOps practices. Additional Required Qualifications • Bachelor's degree or foreign ...

Mainframe Engineer

Jersey City, NJ · On-site

$53.75 - $69/hr

They are seeking a Mainframe Engineer to leverage expertise in COBOL, CICS, DB2, and JCL to support modernization transitions and enhance their clients' technological capabilities. Responsibilities ...

Reviews, analyzes, and modifies programming systems including encoding, testing, debugging and installing for a large-scale mainframe computer system. * May require a bachelor's degree and 6-8 years ...

Reviews, analyzes, and modifies programming systems including encoding, testing, debugging and installing for a large-scale mainframe computer system. * May require a bachelor's degree and 6-8 years ...

Showing results 41-60

Mainframes Developer information

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in New Jersey? For Mainframes Developer jobs in New Jersey, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in New Jersey look for? The top searched job categories for Mainframes Developer jobs in New Jersey are:
What cities in New Jersey are hiring for Mainframes Developer jobs? Cities in New Jersey with the most Mainframes Developer job openings:
Infographic showing various Mainframes Developer job openings in New Jersey as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Sr. Mainframe Developer

Palnar

Jersey City, NJ • On-site

$53.75 - $69/hr

Full-time

Re-posted 26 days ago


Job description

Job Role: Sr. Mainframe Developer
Location: Jersey City, NJ
Duration Long Term
Job Description:
  • Minimum of 10 years' experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF.
  • Similar experience with SQL and IBM DB2 database solutions.
  • Familiarity with SDLC - Software Development Life Cycle.
  • Strong technical coding skills with a proven track record of adherence to process.
  • Serena Change Man ZMF source packaging/management tool experience.
  • Demonstrated experience in systems analysis & design, workflow, or procedural analysis.
  • Hands-on experience with FIS applications
  • Hands-on experience with GN
  • Experience with Agile software development practices.
  • Skill in using PCs including word processing, database, spreadsheet, and graphics software applications.