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Mainframe Developer Jobs in Delaware (NOW HIRING)

Keylent

Sr Mainframe Developer

Wilmington, DE · On-site

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 ...

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 ...

2T Consulting

Mainframe Assembler Developer

Wilmington, DE

$47.50 - $61.25/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

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 ...

InfiCare

Mainframe IMS and CICS Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS and CICS Developer Location: Wilmington, DE (Onsite) Job Type: 12+ Month Contract Experience: 10+ years Job Overview: We are seeking an experienced Mainframe IMS and CICS Developer to ...

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

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 ...

Symphony Enterprises

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

Wilmington, DE (5 Days Onsite) Experience: 10+ Years Short We are looking for an experienced Mainframe Assembler Developer with 10+ years of hands-on experience in IBM Assembler programming. The ...

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 ...

Galent

Senior Mainframe Application Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Senior Mainframe Application Developer Location: Wilmington, DE (Onsite) Job Details: Contract Mandatory Skills - IBM-Z/OS COBOL, CICS, DB2, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe ...

Stefanini

Mainframe Software Developer

Dover, DE · On-site

$39 - $50/hr

Mainframe Software Developer Location: 801 Silver Lake Blvd Dover, DE 19904 Interview: Virtual /Remote Job Summary:The Delaware Department of Transportation (DelDOT) is looking to hire a contractual ...

Compunnel

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

... CICS Developer to develop, maintain, and support enterprise mainframe applications. The ideal candidate will have strong expertise in COBOL, IMS/DB, IMS/DC, CICS, JCL, and IBM z/OS. This role ...

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 ...

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All JobsMainframe Developer JobsMainframe Developer Jobs in Delaware

Mainframe Developer information

See Delaware salary details

$10

$53

$72

How much do mainframe developer jobs pay per hour?

As of Aug 11, 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.

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.

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.

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.

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 operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

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.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

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 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 78% Full Time, 7% Part Time, and 15% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.

Mainframe Developer with IMS and CICS | Wilmington, DE - Onsite

ApTask

Wilmington, DE • On-site

$47.50 - $61/hr

Other

Posted 18 days ago

Job description

Job Title: Mainframe IMS and CICS

Location : Wilmington, DE ( in-person Interview at any client location)

RTTO 5 Days Onsite
Experience Level: 9+ Years

Must Have: IMS/DB, CICS, COBOL and JCL

Job Description

Required Skills:
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
Transaction Processing: Thorough understanding of CICS functionalities and programming interfaces
Job Control Language (JCL): Ability to write and manage JCL scripts for batch processing
System Administration: Basic understanding of mainframe system administration tasks like data set management and security

Regards,
Arati Sahu

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About ApTask

Sourced by ZipRecruiter

ApTask is a leading staffing and recruitment company headquartered in Iselin, NJ, US. Since its inception, the company has been dedicated to providing its clients with expert staffing solutions across diverse industries. Specializing in workforce management, talent acquisition, and employee services, ApTask excels at matching the right talent with the right opportunities. They consistently strive to build and sustain great relationships with clients and candidates alike - a mission driven by their core values of trust, transparency, and delivery excellence.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Iselin, NJ, US

Year founded

2010

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