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Mainframes Developer Jobs in Delaware (NOW HIRING)

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Role: Mainframe Developer Location: Wilmington, DE (Day one onsite) 8-10 years of experience in designing and developing Mainframe applications Experience in COBOL (Modify existing programs to ...

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 ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

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 ...

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 ...

Mainframe Developer

Wilmington, DE

$47.50 - $61/hr

Mainframe IMS and CICS Location : Wilmington, DE Exp: 8+ Yrs RTTO - 5 Days Onsite Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth ...

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 ...

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:

$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 ...

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 ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Preferred Qualifications: • Experience with mainframe modernization or integration with distributed/cloud systems. • Familiarity with DevOps practices or tools in the mainframe environment. • ...

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 ...

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

W-2/Full Time Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth knowledge of z/OS • Database Technologies: Expertise in IMS database ...

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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 Developer

Purple Drive Technologies

Wilmington, DE • On-site

$47.50 - $61.25/hr

Full-time

Posted 6 days ago


Job description

Overview:
Role: Mainframe Developer
Location: Wilmington, DE (Day one onsite)

Job Description:
8-10 years of experience in designing and developing Mainframe applications
Experience in COBOL (Modify existing programs to handling new business logic, Create new programs to validate the data etc.)
Experience in DB2 - Creating new programs to validate the data, retrieve data from existing tables
Experience in VSAM - Create new VSAM files to store the data as part of requirement
Expertise in CHANGEMAN version control tool or IMS
Experience working in Agile process
Mandatory Skill:
Mainframe
COBOL
DB2
VSAM
CHANGEMAN
Skills:
COBOL,VSAM