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AceStack

61 Acestack Mainframe Software Developer Jobs Hiring Near You

Mainframe Developer

Edison, NJ · On-site

$49.75 - $63.75/hr

... software development and maintenance. 8. Conduct performance tuning and capacity planning for mainframe resources. Skill Requirements 1. Proficiency in mainframe cobol programming language. 2. Strong ...

Mainframe Software Engineer

Jersey City, NJ · On-site

$53.50 - $69/hr

Job: Mainframe Software Engineer Duration: 6 Months CTH Location: Coppell, TX, Jersey City, NJ Tampa, FL [Onsite] (NJ is preference) Being a member of IT CSS-WRAFT Delivery team, you will be ...

Mainframe Developer

Morristown, NJ · On-site

$50.50 - $64.75/hr

NAVA Software solutions is looking for a Sr. Mainframe Engineer Details: Role: Sr. Mainframe Engineer Location: Morris Plains, NJ , Memphis TN, Somerset NJ, Austin TX, St. Louis MO, Morristown NJ ...

Mainframe Developer

Morristown, NJ · Hybrid

$50.50 - $65/hr

NAVA Software solutions is looking for a Sr. Mainframe Engineer Details: Role: Sr. Mainframe Engineer Location: Morris Plains, NJ , Memphis TN, Somerset NJ, Austin TX, St. Louis MO, Morristown NJ ...

Mainframe Cobol Developer

Edison, NJ · On-site

$49.75 - $63.75/hr

... software development and maintenance. 8. Conduct performance tuning and capacity planning for mainframe resources. Skill Requirements 1. Proficiency in mainframe cobol programming language. 2. Strong ...

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Proficient with the various mainframe development tools and software including zEKE, CA7, Changeman, Endevor, CA-View, File-Aid, and Abend-Aid * Expert knowledge on mainframe programming languages ...

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Proficient with the various mainframe development tools and software including zEKE, CA7, Changeman, Endevor, CA-View, File-Aid, and Abend-Aid * Expert knowledge on mainframe programming languages ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Testing Debugging Perform unit testing| debugging| and troubleshooting for software applications.Collaboration Work with business analysts| system engineers| and other developers to align mainframe ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Testing Debugging Perform unit testing| debugging| and troubleshooting for software applications.Collaboration Work with business analysts| system engineers| and other developers to align mainframe ...

Mainframe Developer

Prosper, TX · Hybrid

$44.75 - $57.75/hr

Mainframe Developer Location : Malvern, PA - Hybrid Responsibilities: A Mainframe Developer ... software solutions Ensuring software applications meet all performance and security requirements ...

Mainframe Developer Location : Malvern, PA - Hybrid Responsibilities: * A Mainframe Developer ... Ensuring software applications meet all performance and security requirements * Working with other ...

Showing results 41-60

AceStack Jobs Information

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

To thrive as a Mainframe Software Developer, you need expertise in COBOL, JCL, mainframe operating systems (such as z/OS), and a background in computer science or related fields. Familiarity with mainframe tools like IBM CICS, DB2, and version control systems, along with certifications such as IBM Certified System Programmer, is highly valued. Strong analytical thinking, problem-solving abilities, and effective communication set standout professionals apart in this field. These skills ensure the maintenance of critical legacy systems, support for business operations, and seamless integration with modern technologies.

How does a Mainframe Software Developer typically collaborate with cross-functional teams in a modern IT environment?

Mainframe Software Developers frequently work with cross-functional teams that include business analysts, system architects, QA testers, and DevOps engineers. Collaboration often involves participating in daily stand-ups, code reviews, and joint problem-solving sessions to ensure seamless integration of mainframe applications with newer technologies. Developers also play a key role in translating business requirements into robust mainframe solutions, and may be involved in mentoring junior developers or coordinating with offshore teams. This collaborative environment helps ensure that legacy systems remain aligned with evolving business needs and IT strategies.

What is a Mainframe Software Developer?

A Mainframe Software Developer is an IT professional who designs, develops, tests, and maintains software applications that run on mainframe computers. These developers typically work with programming languages such as COBOL, JCL, and Assembler, and are responsible for ensuring the performance and reliability of critical business systems used by large organizations. Mainframe Software Developers often collaborate with business analysts, project managers, and other IT staff to support and enhance legacy systems, as well as to integrate new technologies with existing mainframe infrastructure.

Are mainframe programmers still in demand?

Mainframe software developers are still in demand in industries such as finance, healthcare, and government that rely on legacy systems. These roles often require skills in COBOL, JCL, and mainframe environments, and demand persists due to the complexity and cost of migrating legacy systems. However, the overall demand is gradually declining as organizations modernize their IT infrastructure.

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

AspectMainframe Software DeveloperMainframe Systems Analyst
Required CredentialsBachelor's in Computer Science or related field, certifications like IBM Certified SpecialistBachelor's in IT, Computer Science, or related, often with certifications in mainframe systems
Work EnvironmentDevelops and codes mainframe applications, often in COBOL, PL/I, or AssemblerAnalyzes system requirements, designs solutions, and coordinates between users and developers
Employer & Industry UsageFinancial institutions, government agencies, large corporations using mainframe systemsSame industries, focusing on system analysis, requirements gathering, and process improvements

While Mainframe Software Developers focus on coding and building mainframe applications, Mainframe Systems Analysts analyze existing systems and gather requirements to improve or implement new solutions. Both roles are essential in mainframe environments and often collaborate closely.

Infographic showing various Mainframe Software Developer job openings at Acestack in the United States as of May 2026, with employment types broken down into 29% Full Time, 70% Contract, and 1% Nights. Highlights an 76% Physical, 2% Hybrid, and 22% Remote job distribution.

Mainframe Developer

Omni Inclusive

Edison, NJ • On-site

$49.75 - $63.75/hr

Other

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


Job description

The Senior Technical Specialist will be responsible for providing expert technical guidance and support in the areas of Mainframe Cobol, DB2, VSAM, JCL, Mainframe CICS. The role involves ensuring the stability, security, and efficiency of mainframe systems and applications.
Key Responsibilities
1. Develop, maintain, and enhance cobol programs and applications on mainframes.
2. Perform database design, development, and optimization using db2 on the mainframe platform.
3. Manage and administer vsam datasets to ensure optimal performance and data integrity.
4. Create, modify, and debug jcl job control language for batch processing on mainframes.
5. Provide support for mainframe cics (customer information control system) transactions and applications.
6. Collaborate with cross functional teams to troubleshoot and resolve technical issues related to mainframe systems and applications.
7. Implement best practices for mainframe software development and maintenance.
8. Conduct performance tuning and capacity planning for mainframe resources.
Skill Requirements
1. Proficiency in mainframe cobol programming language.
2. Strong working knowledge of db2 for database design, development, and administration.
3. Experience with vsam datasets management for storing and retrieving data on mainframes.
4. Familiarity with jcl (job control language) scripting for batch processing.
5. Handson expertise in mainframe cics (customer information control system).
6. Strong analytical and problem-solving skills.
7. Excellent communication and teamwork abilities.
8. Ability to work effectively in a fast paced, dynamic environment.
Certifications: Relevant certifications in Mainframe technologies are a plus.