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Mainframes Developer Jobs in Delaware (NOW HIRING)

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

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

Selenium, Automation, Java Coding exp is must, API Automation, Mainframe Testing, TOSCA * Design, develop, and maintain scalable test automation frameworks and Automation background is must, get SDET ...

Sr. Developer

Wilmington, DE · Hybrid

$85.50/hr

The team is currently transforming its infrastructure from mainframe to open source and is scaling ... Strong software engineering fundamentals with the ability to work across a modern tech stack.

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Mainframes Developer information

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:
Infographic showing various Mainframes Developer job openings in Delaware as of May 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution.

Mainframe IMS and CICS

Hirekeyz Inc

Wilmington, DE • On-site

$47.50 - $61.25/hr

Contractor

Posted 29 days ago


Job description

Role: Mainframe IMS and CICS
 
Location: Wilmington, DE
 
Job Type: Contract/W2
 
 
Job Description:
 
Experience: 8+ Years
 
Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM
Working on enterprise-wide applications, Agile methodologies
 
Process Skills: Thorough understanding of the software development lifecycle.
Outstanding written/verbal communication skills with experience distilling and presenting complex quantitative analysis
 
Nice to have: REXX, SAS, Cloud Exposure, batch processing