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Java Mainframe Jobs in New Jersey (NOW HIRING)

Tata Consultancy Service Limited

Engineer

Jersey City, NJ · On-site

$100K - $130K/yr

NET and Java. Roles & Responsibilities • Develop, maintain, and support applications using Unix ... mainframe systems. • Develop and maintain CGI-based components and web modules. • Support and ...

TekWissen

Info Security Analyst

Jersey City, NJ · On-site

... Java, JavaScript). • Knowledge of any of the following platforms: Active Directory, Mainframe, Unix, Linux, Oracle, DB2. • Ability to handle multiple priorities, while meeting deadlines. • ...

TekWissen

Information Security Analyst

Jersey City, NJ · On-site

... Java, JavaScript). • Knowledge of any of the following platforms: Active Directory, Mainframe, Unix, Linux, Oracle, DB2. • Ability to handle multiple priorities, while meeting deadlines. • ...

Avis Budget Group

Lead Engineer

Parsippany, NJ · On-site

$103K - $135K/yr

Lead the design and development of scalable, secure, high-availability services using Java and ... Familiarity with legacy modernization: mainframe/monolith decomposition, OS and middleware upgrades.

Avis Budget Group

Lead Engineer

Parsippany, NJ · On-site

$103K - $135K/yr

Lead the design and development of scalable, secure, high-availability services using Java and ... Familiarity with legacy modernization: mainframe/monolith decomposition, OS and middleware upgrades.

AIG

SailPoint Engineer

Jersey City, NJ · On-site

... mainframe, web services, and authoritative source integrations (Workday, Fieldglass) * Familiar ... Expertise in Java programming language and experience with developing and integrating Java-based ...

TestingXperts

Openings on IVR Developer

Middletown, NJ

$49.75 - $64/hr

VXML, SSML, XML, JAVA, J2EE Proficient written and verbal skills. Strong understanding of Natural Language design and Directed Dialogue design techniques for speech applications Strong knowledge of ...

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Java Mainframe information

See New Jersey salary details

$10

$54

$73

How much do java mainframe jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for java mainframe in New Jersey is $54.19, according to ZipRecruiter salary data. Most workers in this role earn between $47.84 and $61.49 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed for a Java Mainframe?

Excelling as a Java Mainframe professional requires strong skills in both Java development and mainframe technologies such as COBOL, JCL, and DB2, as well as a relevant degree in computer science or a related field. Familiarity with mainframe emulators, version control systems like Git, and certifications in Java or mainframe programming enhance technical credibility. Analytical thinking, problem-solving abilities, and effective communication are valuable soft skills in this position. These competencies are essential for successfully modernizing legacy systems, ensuring application reliability, and facilitating collaboration between development and operations teams.

What is a Java Mainframe?

A Java Mainframe job involves developing, maintaining, and optimizing applications that run on mainframe systems using Java and related technologies. Professionals in this role work with legacy systems, integrating modern Java-based applications with COBOL, DB2, CICS, and other mainframe technologies. They often focus on performance tuning, debugging, and ensuring seamless interaction between mainframe and distributed systems. This role requires expertise in both Java programming and mainframe architectures.

What are the typical responsibilities of a Java Mainframe developer?

A Java Mainframe developer typically works on integrating and maintaining legacy mainframe systems while developing new Java-based applications or interfaces. Responsibilities may include analyzing system requirements, coding, debugging, performance tuning, and ensuring smooth data exchange between distributed and mainframe environments. You will often collaborate closely with business analysts, mainframe specialists, and other software developers to deliver seamless solutions. This role can provide variety and opportunities to learn both legacy and modern technologies, positioning you well for future career growth in enterprise IT environments.

What are popular job titles related to Java Mainframe jobs in New Jersey? For Java Mainframe jobs in New Jersey, the most frequently searched job titles are:
What job categories do people searching Java Mainframe jobs in New Jersey look for? The top searched job categories for Java Mainframe jobs in New Jersey are:
Java Mainframe jobs near you
Infographic showing various Java Mainframe job openings in New Jersey as of July 2026, with employment types broken down into 91% Full Time, 3% Part Time, and 6% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $112,718 per year, or $54.2 per hour.

Lead AI Transformation Engineer

Fiserv, Inc.

Berkeley Heights, NJ • On-site

$186K - $285K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Fiserv rating

7.7

Company rating: 7.7 out of 10

Based on 95 frontline employees who took The Breakroom Quiz

105th of 150 rated financial services

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
Lead AI Transformation Engineer
About Your Role
As a Lead AI Transformation Engineer, you will play a critical role in advancing AI-driven engineering practices and establishing technical excellence across the Issuer Solutions portfolio. You will work closely with software development and mainframe teams across the organization to drive the adoption of AI-assisted development tools and deliver solutions that align with the business goals and client needs.
What you'll do:
  • Set and evolve engineering standards (code quality, architecture patterns, CI/CD practices, security posture) across the Issuer Solutions portfolio
  • Conduct solution architecture reviews, code reviews, and design consultations that raise the quality bar for teams building in Java/Spring, .NET, Angular, Python, and related technologies
  • Define reusable patterns, reference implementations, and decision frameworks that teams can adopt independently
  • Bridge the gap between corporate platform teams (AI CoE, Cloud Engineering, Security) and delivery teams by translating enterprise mandates into actionable delivery
  • Champion the adoption and integration of AI-assisted engineering workflows demonstrating measurable impact on quality and throughput
  • Evaluate, pilot, and operationalize AI developer tools across the organization, coaching teams to integrate them into their daily workflows
  • Identify systemic quality issues across the portfolio and propose durable, root-cause solutions by building internal tools and contribute to critical-path code when the situation demands it
  • Deliver technical training and enablement sessions on AI adoption emerging AI-assisted practices while mentoring senior engineers toward deeper architectural thinking, production ownership, AI fluency, and cross-team influence

Experience you'll need to have:
  • 10+ years of professional software engineering experience, with at least 5 years operating at a staff, principal, or architect level of influence across multiple teams
  • 8+ years of hands-on experience across mainframe and distributed technologies, including Assembler, COBOL, and Java-based enterprise applications, with the ability to bridge legacy and modern architectures
  • 8+ years of experience with CI/CD pipelines, DevOps, and AppOps practices, including production support, monitoring, incident management, and operational excellence
  • 8+ years of experience with cloud-native and containerized environments (OpenShift, AWS/Azure/GCP), with exposure to hybrid mainframe-cloud ecosystems
  • 8+ years of experience with modern databases (SQL, No-SQL) and mainframe data stores where applicable
  • 5+ years of experience in modernizing and integrating mainframe systems with distributed platforms (microservices, APIs, event-driven architectures)
  • 3+ years of experience adopting and championing AI-assisted development tools to improve engineering outcomes at scale
  • Bachelor's degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience

Experience that would be great to have:
  • Excellent written and verbal communication skills - able to produce clear technical documentation, present to senior leadership, and mentor engineers across platforms and domains
  • Proven track record of driving end-to-end ownership from development through production operations, ensuring reliability, scalability, and performance
  • Solid understanding of application security practices across both mainframe and distributed platforms (encryption, access control, secrets management, vulnerability remediation)
  • Strong experience in AppOps, including performance tuning, resiliency engineering, batch processing, and production stability for mission-critical systems
  • Prior experience in the financial services industry

How you'll work:
  • Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site Monday through Friday
  • This role requires use of a computer and audio equipment

Travel:
  • Approximately 10% travel off-site or to other office locations is expected

Sponsorship:
  • In order to be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship now or in the future

#LI-AB2
Salary Range
$186,000.00 - $285,600.00
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 contact AskHR.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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