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Java Mainframe Jobs in New Jersey (NOW HIRING)

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ROLL TENDER

Princeton, NJ

NET FullStack Developer Exp in front-end and back-end design and development using java,.Net ... Mainframe Developer Exp in design, develop and maintain using COBOL, JCL, IMS, CICS, SQL, VSAM, QMF ...

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. • ...

Judge Group, Inc.

Rating Technical Lead

Bayonne, NJ

$150K - $160K/yr

Rating Technical Lead Jersey City NJ Fulltime Technical Lead, Java, Web, Springboot, Microservices ... mainframe/Smalltalk) Insurance domain (rating, underwriting, policy lifecycle) Cloud-native ...

AT&T

Principal Software Engineering

Middletown, NJ · On-site

$189.59K - $261.10K/yr

Develop solutions to integrate mainframe-based legacy systems with modern non-mainframe ... Work with programming languages python, Java, JavaScript, React, Angular and shell scripting along ...

AT and T

Principal Software Engineering

Middletown, NJ · On-site

$189.59K - $261.10K/yr

Develop solutions to integrate mainframe-based legacy systems with modern non-mainframe ... Work with programming languages python, Java, JavaScript, React, Angular and shell scripting along ...

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How much do java mainframe jobs pay per hour?

As of May 29, 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 is a Java Mainframe job?

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 key skills and qualifications needed to thrive in the Java Mainframe position, and why are they important?

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 are the typical responsibilities of a Java Mainframe developer in a modern IT team?

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.
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Java Mainframe jobs near you
Oracle SQL/PLSQL Developer

Oracle SQL/PLSQL Developer

Donato Technologies, Inc

Jersey City, NJ • On-site

$53 - $66.75/hr

Contractor

Posted 29 days ago

Job description

Job Title: Oracle SQL/PLSQL Developer

Job Location: Jersey City , NJ
Job duration: 12+ Months (Possible Extension)
 


Job Description

The Senior Oracle SQL/PLSQL Developer will be responsible for converting and modernizing existing Mainframe SAS–based processes into optimized Oracle SQL/PLSQL solutions. This role involves analyzing legacy SAS workflows, designing corresponding Oracle data-processing logic, and ensuring efficient, accurate migration of complex business processes to the Oracle platform.
In addition, the developer will support the creation and enhancement of a Java-based user interface to facilitate ongoing process maintenance. The position requires close collaboration with the technology manager for status reporting and project updates, while maintaining minimal direct client interaction.
The ideal candidate possesses strong expertise in Oracle SQL/PLSQL, knowledge of SAS or COBOL on the mainframe, and working knowledge of Python for automation or data handling. Familiarity with JIRA for task tracking and Agile workflows is preferred. The developer is expected to demonstrate strong ownership, deliver high quality work within agreed timelines, collaborate effectively with team members, and provide support to the broader team as needed.


Key Responsibilities:
• Convert and migrate legacy Mainframe SAS processes to Oracle SQL/PLSQL.
• Analyze existing Mainframe SAS workflows and redesign logic for Oracle-based execution.
• Collaborate with the technology manager for reporting, planning, and delivery oversight.
• Ensure accuracy, performance, and reliability of Oracle-based solutions.
• Utilize Python as needed for automation, data processing, or migration tasks.
• Use JIRA for work management within an Agile or hybrid environment.
• Support team members and contribute to a collaborative, delivery-focused environment.


Required Skills & Attributes:
• Strong expertise in Oracle SQL and PLSQL development.
• Experience with Mainframe SAS.
• Working proficiency with Python.
• Experience supporting or integrating with Java-based applications.
• Familiarity with JIRA or similar workflow tools.
• Self motivated with the ability to work independently.
• Proven team player with strong communication and problem solving skills.
• Consistent, on-time delivery of high quality technical outcomes.
• Willingness to assist teammates and contribute to overall project success.

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.