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Mainframe Developer Jobs in Delaware (NOW HIRING)

Prophecy Technologies

Mainframe CICS Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

This role requires a skilled Mainframe CICS Developer with strong hands-on experience in CICS and MQ. Key Responsibilities: * Design, code, and unit test software on a predefined schedule using ...

Lorven Technologies

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61.25/hr

They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.

Hirekeyz Inc

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 ...

Hirekeyz Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Programming Languages: Strong proficiency in COBOL * Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC

Monitise

Mainframe Sr. Advisor

Wilmington, DE

$121K - $193K/yr

Job Title Mainframe Sr. Advisor About your role: At Fiserv, we are dedicated to transforming ... As a Software Development Engineering - Sr Advisor I, you will play a critical role in leading the ...

Lorven Technologies

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Wilmington DE (5 Days Onsite) Contract/Fulltime Required Skills: ( Should be flexible for on call support) • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In ...

Hirekeyz Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Programming Languages: Strong proficiency in COBOL * Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC

Intellyk Inc.

Mainframe IMS DB with CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

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

Xforia, Inc.

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Jersey City NJ Experience - 8+ RTTO - 5 Days Onsite Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth knowledge of z/OS • Database ...

Staffingine LLC

Mainframe IMS DB Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe IMS DB Developer Job Location: Wilmington, DE Job Type: Full-Time * Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or ...

Hirekeyz Inc

Mainframe IMS DB

Wilmington, DE · On-site

$47.50 - $61.25/hr

Role: Mainframe IMS DB Location: Wilmington, DE (Onsite) Job Type: Full Time Required Skills ... CICS - Strong understanding of transaction processing and programming interfaces * JCL - Ability to ...

Maintec Technologies

Mainframe IMS DB

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe IMS DB Wilmington DE Contract/ Fulltime No of Positions: 10 Must Have: IMS/DB, CICS ... and programming interfaces JCL - Ability to write/manage batch processing scripts System ...

SR Partners LLC

Mainframe IMS DB with CICS

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe with IMS DB with CICS Location: Wilmington, DE (Onsite from Day 1) Required ... programming languages and database querying languages. Overall knowledge of the Software ...

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Mainframe Developer information

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How much do mainframe developer jobs pay per hour?

As of Sep 2, 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:

What are popular job titles related to Mainframe Developer jobs in Delaware?

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.

Mainframe CICS Developer

Prophecy Technologies

Wilmington, DE • On-site

$47.50 - $61.25/hr

Full-time

Re-posted 9 days ago

Job description

Role Overview:
This role requires a skilled Mainframe CICS Developer with strong hands-on experience in CICS and MQ.
Key Responsibilities:
  • Design, code, and unit test software on a predefined schedule using technologies, techniques, and tools to ensure high quality, performance, and reliability.
  • Perform system analysis and design in accordance with established procedures and policies.
  • Provide accurate estimate of time needed to complete work.
  • Proactively explore the system and learn.
  • Work efficiently with minimum supervision.

Required Skills:
  • Strong hands-on experience in CICS and MQ.
  • Experience in batch like COBOL, DB2, VSAM.
  • Agile methodology and SDLC experience.
  • Working experience in Jira, Confluence, and MS Office.

Preferred Skills:
  • Knowledge of J2EE, Webservices, Cloud-based applications, and their interactions with Mainframe systems preferably in AWS.
  • Knowledge of Retail Banking or Lending.

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