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Mainframe Developer Jobs in Delaware (NOW HIRING)

Percient Inc.

Mainframe Developer

Wilmington, DE

$47.50 - $61/hr

Mainframe Developer with IMS Location: Wilmington, DE : * Programming Languages: Strong proficiency in COBOL * Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies:

Purple Drive Technologies

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 ...

VIS IT Solutions Inc

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 ...

Hirekeyz Inc

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 ...

CogniSoft Technologies

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 ...

Hirekeyz Inc

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 ...

Donato Technologies, Inc

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:

Purple Drive Technologies

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. • ...

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 ...

Kanak Elite Services Inc

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 ...

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 ...

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$53

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How much do mainframe developer jobs pay per hour?

As of Jun 5, 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 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.

What are Mainframe Developers?

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, and why are they important?

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 May 2026, with employment types broken down into 96% Full Time, 3% Part Time, and 1% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.

Mainframe Developer

Percient Inc.

Wilmington, DE

$47.50 - $61/hr

Other

Posted 4 days ago

Job description

Job Title: Mainframe Developer with IMS
Location: Wilmington, DE

Job Description:

  • 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

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

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