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Mainframes Developer Jobs in Delaware (NOW HIRING)

Centraprise

Mainframe Developer

Newark, DE · On-site

$48 - $61.50/hr

Mainframe Developer Job Location : Newark, DE (ONSITE) Job Type : Full-Time Mainframe Developer: Proven hands-on experience (7-10 years) Mainframe developer with COBOL 370, EZTrieve Plus, JCL/PROCS ...

Divit Technologies, Inc.

Mainframe Engineer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe Engineer Interview : 2 rounds of Interview Work Mode : 5 DAYS Work from office Skills : COBOL, IMSDB, IMSDC Location : Wilmington, DE Required Skills: * Programming Languages: Strong ...

Percient Inc.

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe Developer Location: Wilmington, DE * Design, coding, and testing: Mainframe assemblers are responsible for designing, coding, and testing application programs using the IBM Assembler ...

Lorven Technologies

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location: Wilmington, Delaware (Onsite) Job Type: Contract Responsibilities: Primary Skill: VSAM, COBOL, DevOps * Design, code, test, and maintain mainframe applications using ...

VIS IT Solutions Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer - Day 1 Onsite Location: Wilmington, DE & Jersey City, NJ (Weekly 5 days office is Must) Duration: 12+ Months Contract Skills: COBOL, JCL, CICS, IMS DB, VSAM Key Responsibilities:

Donato Technologies, Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington DE Experience: 8+ Years All over USA Mandatory Skills- * COBOL, MQ, JCL, DB2, CICS, VSAM * Working on enterprise-wide applications, Agile methodologies Process Skills:

Hirekeyz Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location : Wilmington DE Job Type: Contract/W2 Experience: 8+ Years Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile methodologies ...

Hirekeyz Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Job Title: Mainframe Developer Location : Wilmington DE Job Type: W-2/Full Time Required Skills: * Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

Apolis

Sr Mainframe Developer

Wilmington, DE · On-site

* Job Title: Sr. Mainframe Developer Location: Hybrid (Minimum 3 Days Onsite) - Wilmington, DE 19803 Tax Term (W2, C2C): W2 Job Type (Permanent/Contract): Contract Duration: Long Term Open Description:

Kanak Elite Services Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer - IMS and CICS Location : Wilmington, DE Onsite - Relocation from nearby states only Duration : Long term contract Required Skills: * Programming Languages: Strong proficiency in ...

Xforia, Inc.

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Job Title: Mainframe Developer Location : Wilmington DE Experience - 8+ - 5 Days Onsite MF JD: Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

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 ...

Saransh Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington, DE (Day 1 Onsite) Contract Job Requirements: * Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that ...

Cynet Systems

Mainframe Developer

Wilmington, DE · On-site

$46 - $51/hr

We are looking for Mainframe Developer for our client in Wilmington DE . Job Title: Mainframe Developer Job Location: Wilmington DE Job Type: Contract Job Overview: Pay Range: $46hr - $51hr ...

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Mainframes Developer information

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in Delaware? For Mainframes Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Delaware look for? The top searched job categories for Mainframes Developer jobs in Delaware are:
Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Delaware as of August 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution.

Mainframe Developer

Centraprise

Newark, DE • On-site

$48 - $61.50/hr

Full-time

Re-posted 11 days ago

Job description

Job Title : Mainframe Developer
Job Location : Newark, DE (ONSITE)
Job Type : Full-Time
Job Description:
Mainframe Developer:
Proven hands-on experience (7-10 years)
Mainframe developer with COBOL 370, EZTrieve Plus, JCL/PROCS, FILEMANAGER and IBM Utilities such as SYNCSORT, SUPERC, COMPAREX, IEBGENER
Development with IMS DC/DB, VSAM / DB2, NDM, CA7 Scheduler and ISPW
Working knowledge of using Agile methodology in a fast paced environment and supporting program increments leading to delivery of features/stories.
Ability to communicate effectively, both written and verbal, with technical and non-technical cross-functional teams.

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