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Mainframe Developer Jobs in Delaware (NOW HIRING)

Edge Global

$47.50 - $61.25/hr

Mainframe Developer with IMS Background Location: Wilmington, DE Duration: Contract 100% Onsite (5 days in a Week) Mandatory Skill Set: COBOL, IMS, DB2,JCL,VSAM, CICS • 8 to 12 Yrs of experience in ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

CyberX Info System

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.

Donato Technologies Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.

Stefanini Group

Mainframe Software Developer

Dover, DE · On-site

$39 - $50/hr

Mainframe Software Developer Location: 801 Silver Lake Blvd Dover, DE 19904 Interview: Virtual /Remote Job Summary: * The Delaware Department of Transportation (DelDOT) is looking to hire a ...

Stefanini Group

Mainframe Software Developer

Dover, DE · On-site

$39 - $50/hr

Mainframe Software Developer Location: 801 Silver Lake Blvd Dover, DE 19904 Interview: Virtual /Remote Job Summary: * The Delaware Department of Transportation (DelDOT) is looking to hire a ...

Stefanini Group

Mainframe Software Developer

Dover, DE · On-site

$39 - $50/hr

Mainframe Software Developer Location: 801 Silver Lake Blvd Dover, DE 19904 Interview: Virtual /Remote Job Summary: * The Delaware Department of Transportation (DelDOT) is looking to hire a ...

Stefanini

Mainframe Software Developer

Dover, DE · On-site

$39 - $50/hr

Mainframe Software Developer Location: 801 Silver Lake Blvd Dover, DE 19904 Interview: Virtual /Remote Job Summary:The Delaware Department of Transportation (DelDOT) is looking to hire a contractual ...

Hirekeyz Inc

Mainframe IMS DB Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe IMS DB Developer (10 roles) Location: Wilmington, DE - 5 days onsite Job Type: Contract/W2/Full Time Job Responsibilities: Executes software solutions, design, development, and technical ...

Hirekeyz Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Wilmington, DE ( 5 Day Onsite ) Duraction: Full Time Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth knowledge of z/OS • Database ...

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Mainframe Developer information

See Delaware salary details

$10

$53

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How much do mainframe developer jobs pay per hour?

As of Jul 21, 2026, the average hourly pay for mainframe developer in Delaware is $53.42, according to ZipRecruiter salary data. Most workers in this role earn between $47.16 and $60.62 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Delaware? The most popular types of Mainframe Developer jobs in Delaware are:
What are popular job titles related to Mainframe Developer jobs in Delaware? For Mainframe Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Delaware look for? The top searched job categories for Mainframe Developer jobs in Delaware are:
What cities in Delaware are hiring for Mainframe Developer jobs? Cities in Delaware with the most Mainframe Developer job openings:
What are popular job titles related to Mainframe Developer jobs in DE? For Mainframe Developer jobs in DE, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Delaware as of July 2026, with employment types broken down into 81% Full Time, 7% Part Time, 1% Temporary, and 11% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.
Mainframe Developer with IMS : Wilmington, DL: Contract: Onsite

Mainframe Developer with IMS : Wilmington, DL: Contract: Onsite

Edge Global

On-site

$47.50 - $61.25/hr

Contractor

Re-posted 10 days ago

Job description

Hi,

Hope you are doing well,

I have a job opportunity for you as Mainframe Developer with IMS : Wilmington, DE: Contract: Onsite If you are interested share your resume ASAP 

Position : Mainframe Developer with IMS Background

Location: Wilmington, DE

Duration: Contract

100% Onsite (5 days in a Week)

Mandatory Skill Set: COBOL, IMS, DB2,JCL,VSAM, CICS

Job Description:

•              8 to 12 Yrs of experience in the Mainframe & Java Modernisation space.

•              The Candidate has experience in understanding the requirements for the Mainframe Modernization and Legacy Migration.

•              The tech stack used is Java FSD, Python, Mainframe technologies(COBOL, JCL, DB2, IMS,MQ) etc as mandatory.

•              The Candidate was part of the LMCOE (Legacy Migration) in his previous engagement.

•              The Candidate has knowledge in automation tools in developing the problem statement using Python.

•              The Candidate has experience and worked on the Mainframe Modernization in migration On-Prem to On-Prem, Cloud Migration to Azure, Migration to Microfocus.

•              The Candidate has understanding in building the team composition for Migration Projects Programming experience on Mainframe COBOL/CICS/JCL/IMS/DB2 Strong in triaging production issues

Using all the basic tools in Mainframe.

•              Knowing Java/distributed solutions will be super plus Strong verbal and written communication skills, with ability to work collaboratively across the organization.

•              Understanding and experience of Product Development Life Cycle, Business Requirement Specification documentation and experience of working in an Agile environment.

Thanks & Regards

Shanti Yadav

Lead Recruiter Edge Global

Shanti@edgeglobal.net,

1604 Spring Hill Road
Suite 221, Vienna, VA 22182
An E-Verified company

linkedin.com/in/shanti-yadav-585394193

Edgeglobal LLC

www.edgeglobal.net

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