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Mainframe Application Developer Jobs in New York

InterSources

Treasury Mainframe Developer

Hoboken, NJ · On-site

$53.50 - $69/hr

... of application programming. Contract Details: * Design, develop, and implement new mainframe ... systems or modify existing applications to meet business requirements. * Collaborate with business ...

InterSources

Treasury Mainframe Developer

Manhattan, NY · On-site

$54 - $69.50/hr

... of application programming. Contract Details: * Design, develop, and implement new mainframe ... systems or modify existing applications to meet business requirements. * Collaborate with business ...

Hired By Matrix

Mainframe Engineer

Livingston, NJ

$53.50 - $68.75/hr

This position is a critical member of the Mainframe Engineering team. The primary function is ... This position also provides technical support for all the application developers for these systems.

Hired By Matrix

Mainframe Engineer

Livingston, NJ · On-site

$53.50 - $68.75/hr

This position also provides technical support for all the application developers for these systems ... Initiate z/OS environmental set-up to support all Mainframe software products. * Provide technical ...

Alkaeus

Mainframe Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Application Maintenance: Maintain and optimize existing mainframe applications, focusing on COBOL, CICS (online and batch), and JCL environments. * Logic & Event Analysis: Research and review ...

Largeton Inc

Mainframe Developer

New York, NY · On-site

$53.50 - $69/hr

Job Summary (List Format) - Mainframe Developer at Must be local to NYC/NJ/CT - Develop and deliver ... application stability and availability. - Apply advanced problem-solving skills to optimize ...

ApTask

Mainframe Developer

Manhattan, NY · On-site

$100K - $110K/yr

The application service offered by the company includes application development, maintenance, and ... We are seeking a Senior Mainframe Developer with strong expertise in COBOL, JCL, and Control-M/CCS ...

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 ...

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Mainframe Application Developer information

See New York salary details

$11

$53

$72

How much do mainframe application developer jobs pay per hour?

As of Jun 28, 2026, the average hourly pay for mainframe application developer in New York is $53.54, according to ZipRecruiter salary data. Most workers in this role earn between $47.60 and $62.31 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Application Developer vs Mainframe Systems Analyst?

AspectMainframe Application DeveloperMainframe Systems Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing system requirements and optimizing mainframe processes
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe developmentSystem analysis, troubleshooting, and documentation skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsCollaborating with users and IT teams to improve systems
Industry UsageFinancial services, insurance, government agenciesSame industries, focusing on system analysis and process improvement

While both roles work within mainframe environments and require similar certifications, Mainframe Application Developers focus on creating and maintaining mainframe applications, whereas Mainframe Systems Analysts analyze and improve existing systems and processes. Both roles are essential in industries relying on mainframe technology, but their daily tasks and focus areas differ.

What are mainframe application developers?

Mainframe application developers are IT professionals who design, develop, maintain, and support software applications that run on mainframe computers. These specialists work with programming languages like COBOL, PL/I, or Assembler and use tools specific to mainframe environments such as IBM z/OS. Their responsibilities often include updating legacy systems, ensuring software reliability, and integrating mainframe applications with modern technologies. They play a crucial role in industries like banking, insurance, and government, where mainframes are essential for handling large-scale transaction processing.

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

To thrive as a Mainframe Application Developer, you need expertise in COBOL, JCL, DB2, and a solid understanding of mainframe operating systems, often backed by a degree in computer science or related fields. Familiarity with tools like IBM z/OS, TSO/ISPF, and version control systems such as Endevor is typically required. Strong analytical thinking, problem-solving, and effective communication skills set successful developers apart in this role. These competencies are crucial for maintaining legacy systems, ensuring data integrity, and supporting critical business operations efficiently.

How does a Mainframe Application Developer typically interact with cross-functional teams in an organization?

Mainframe Application Developers often collaborate closely with business analysts, QA testers, and infrastructure teams to ensure applications meet business requirements and integrate smoothly with other systems. They participate in regular meetings to discuss project updates, troubleshoot issues, and clarify technical specifications. Effective communication is key, as developers may need to explain complex mainframe concepts to non-technical stakeholders and work with diverse teams to deliver high-quality, reliable software solutions.
What are popular job titles related to Mainframe Application Developer jobs in New York? For Mainframe Application Developer jobs in New York, the most frequently searched job titles are:
What job categories do people searching Mainframe Application Developer jobs in New York look for? The top searched job categories for Mainframe Application Developer jobs in New York are:
Mainframe Application Developer jobs near you

Fullstack Application Developer

Bright Mind Solutions LLC

Florham Park, NJ • On-site

Contractor

Posted 17 days ago

Job description

I’m reaching out regarding a Fullstack Application Developer role florham park, NJ ONSITE INTERVIEW

USC/GC Preferred ONLY

Role Highlights:

  • Tech Stack: .NET, SQL, React (Angular acceptable).
  • Focus: Backend-heavy (70-80%), API development/testing, scalable engineering solutions.
  • Additional: Conceptual understanding of mainframe modernization.

Key Skills:

  • Strong technical aptitude, architecture design, code reviews.
  • Problem-solving mindset, ability to plan for model limitations.
  • Excellent communication skills.

Project Goals:
Build API mechanisms for large-scale vendor data transactions (e.g., Amazon-level volume).

Details:

  • Duration: Contract-to-hire (6-month minimum).
  •  
  • Work Authorization: USC, GC, GC EAD.
  • Location: Florham Park, NJ (3 days onsite).
If you are interested or have any references please share resume at mukul@brightmindsol.com.