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Mainframes Developer Jobs in Delaware (NOW HIRING)

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 ...

Galent

Senior mainframe developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is onsite (5 days/wk) Client Location: Wilmington, DE Years of experience required: 8+ · Develops and implements solutions that address complex business ...

Veracity

Mainframe IMS and CICS Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS and CICS Developer Location: Wilmington, DE - Onsite Only Employment Type: 6+ Months Contract Experience Level: 8+ Years Work Authorization: U.S. Citizens or Green Card Holders strongly ...

E-Solutions

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

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

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 ...

Purple Drive

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

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

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 ...

Diverse Lynx

Sr Mainframe Developer

Wilmington, DE · On-site

Sr Mainframe Developer We are looking for a candidate with 10 or more years of experience who is comfortable with an in-person interview. The candidate should have strong experience in MQ and IMS.

Diverse Lynx

Sr Mainframe Developer (DE)

Wilmington, DE · On-site

$120K/yr

Mainframe Developer Location : Wilmington DE Salary: $120K ( Visa Independent) Position ID: 114755-4 and 114755-6 Experience - 8+ RTTO - 5 Days Onsite Required Skills: Expert knowledge on CICS along ...

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Mainframes Developer information

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

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 June 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution.
Mainframe Developer

Mainframe Developer

Xforia, Inc.

Wilmington, DE • On-site

$47.50 - $61.25/hr

Full-time

Posted 12 days ago

Job description

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 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

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