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Mainframe Application Developer Jobs in New York

Infosys Limited Digital

Mainframe Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

... Mainframe Technologies|COBOL Technical Skills 2 Technology|Data Management - DB|DB2 Technical ... application design discussions, and document design decisions to guide the technical team towards ...

Sonsoft Inc

Mainframe Programmer

Florham Park, NJ

Reviews, analyzes, and modifies programming systems including encoding, testing, debugging and ... Maintains and develops on-line and batch application programs. Develops and implements a disaster ...

Sonsoft Inc

Mainframe Programmer

Florham Park, NJ · On-site

Reviews, analyzes, and modifies programming systems including encoding, testing, debugging and ... Maintains and develops on-line and batch application programs. Develops and implements a disaster ...

Ericsson

Sr. Mainframe Systems Programmer

New York, NY · On-site

$60.25 - $76.50/hr

In this role, you will work alongside experienced mainframe professionals to implement new technologies and support an internal community of Ericsson application developers and testers - enabling ...

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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 Jul 27, 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
Infographic showing various Mainframe Application Developer job openings in New York as of July 2026, with employment types broken down into 77% Full Time, 17% Part Time, 1% Temporary, and 5% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $111,372 per year, or $53.5 per hour.

Mainframe Software Development Engineer

Monitise

Berkeley Heights, NJ

$128K - $216K/yr

Full-time

Posted 19 days ago

Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Mainframe Software Development Engineer

What does a successful Mainframe Software Development Engineer do at Fiserv?
A successful Mainframe Software Development Engineer at Fiserv designs, develops and maintains high-quality software applications that support business goals and client needs. They work across teams to turn business requirements into technical solutions, while ensuring application performance, reliability and architectural alignment. They also strengthen team delivery by maintaining existing applications, supporting defect analysis and mentoring developers through peer reviews and technical guidance.

What you will do?

  • Lead the design, development and implementation of mainframe software applications that support business goals and client needs.
  • Collaborate with architects, team leads, business analysts and cross-functional partners to gather requirements, translate them into technical specifications and validate design understanding.
  • Develop, code, test and debug applications that meet design and architectural requirements, support system testing and ensure reliable performance.
  • Enhance and maintain existing application software, assess the impact of changes across the application, lead peer reviews and provide ongoing support for internally developed applications.
  • Communicate development status regularly, mentor junior developers and assist the production support team with defect analysis.

What you must have?

  • 5+ years of experience with COBOL, DB2, BMS Maps, VSAM, JCL and IBM Utilities.
  • 5+ years of experience with IBM Mainframes and the TSO/ISPF development environment.
  • 5+ years of experience with Endevor or a similar source control application.
  • 5+ years of experience in software design principles and software architecture.

What would be nice to have?

  • 2+ years of experience with PEP+ Mainframe ACH Software.
  • 1+ year of experience with Agile or Kanban development methodologies and JIRA.
  • 1+ year of experience with IBM DEBUG, File Manager, CLIST or REXX in high-volume transaction processing or financial services environments

Salary Range

$128,000.00 - $216,000.00

These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contactAskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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