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Mainframe Developer Jobs in Delaware (NOW HIRING)

enexusglobal

Sr Mainframe Developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd Wilmington, DE 19803 Years of experience required: 8+ · Develops and implements solutions that address ...

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 ...

CYNET SYSTEMS

Mainframe Developer

Wilmington, DE · On-site

$46 - $51/hr

Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory. * Experience/Knowledge in building and maintaining new Test regions is preferred. * Experience coding in MQ ...

CYNET SYSTEMS

Mainframe Developer

Wilmington, DE · On-site

$46 - $51/hr

Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory. * Experience/Knowledge in building and maintaining new Test regions is preferred. * Experience coding in MQ ...

CYNET SYSTEMS

Mainframe Developer

Wilmington, DE · On-site

$46 - $51/hr

Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory. * Experience/Knowledge in building and maintaining new Test regions is preferred. * Experience coding in MQ ...

TekCommands Inc

Sr Mainframe Developer

Wilmington, DE · On-site

... Programming including knowledge of CICS Screen Programming is Mandatory · Experience/Knowledge in building and maintaining new Test regions is preferred. · Experience coding in MQ Series & IMS DB ...

Centstone

Mainframe IMS & CICS Developer

Wilmington, DE · On-site

$45 - $55/hr

Mainframe IMS & CICS Developer Location: Wilmington, DE (100% Onsite - 5 Days/Week) Pay Rate: $45-$50/Hour (C2C) Contract: Contract Schedule: Monday-Friday | Onsite Experience: 10+ Years About the ...

Centstone

Mainframe Assembler

Wilmington, DE · On-site

$45 - $55/hr

Mainframe Assembler Location: Wilmington, Delaware Pay Rate: $45-$55/hr Contract: Long-Term ... The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software ...

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How much do mainframe developer jobs pay per hour?

As of Sep 1, 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 a mainframe developer?

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?

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 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 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.

Is a mainframe developer a good career?

A mainframe 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 technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are the most commonly searched types of Mainframe Developer jobs in Delaware?

The most popular types of Mainframe Developer jobs in Delaware are:

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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 August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.

Sr Mainframe Developer

Wilmington, DE • On-site

Ruri Software Technologies LLC
Software Development • 11 - 50 employees
Learn more about Ruri Software Technologies LLCexternal

Full-time

Re-posted 14 days ago

Job description

Job Title: Sr Mainframe Developer
Work Location: Wilmington, DE
Duration: 8+ Months
Job Description:
• Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving operational efficiency
• Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that translate to coding
• Develops secure and high-quality code that runs in sync with other highly efficient sub systems
• Think out-of-the-box proactively and be creative by challenging conventional approaches and contribute towards operational efficiency
• Troubleshoots problems, works with Product Teams and other stake holders to understand complex Requirements and be able to break them down to design/development.
Job Requirements:
• Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2.
• Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory
• Experience/Knowledge in building and maintaining new Test regions is preferred.
• Experience coding in MQ Series & IMS DB is Mandatory.
• Experience in Banking Compliance and Regulatory Platform is preferred.
• Must have hands-on coding development experience
• Experience with version control. Ability to communicate effectively with team members and clients and excellent problem-solving skills
Regards,
Venkata Surya
Email: surya@rurisoft.com

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