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Mainframe Developer Jobs in Delaware (NOW HIRING)

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

Wilmington, DE ( 5 Day Onsite ) Duraction: Full Time Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth knowledge of z/OS • Database ...

Hirekeyz Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

W-2/Full Time Required Skills: • Programming Languages: Strong proficiency in COBOL • Mainframe Operating Systems: In-depth knowledge of z/OS • Database Technologies: Expertise in IMS database ...

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 ...

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 ...

Compunnel

Mainframe Architect with AWS

Wilmington, DE · On-site

Collaborate with development, infrastructure, and cloud engineering teams to implement scalable and ... Understanding of mainframe system administration concepts including dataset management and security

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 ...

Hirekeyz Inc

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe IMS and CICS Location: Wilmington, DE Job Type: Contract/W2 : Experience: 8+ Years Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

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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:
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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 IMS DB Developer

Hirekeyz Inc

Wilmington, DE • On-site

$47.50 - $61.25/hr

Contractor

Posted 19 days ago

Job description

Job Title: 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 troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems

Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems

Produces design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development

Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture

Contributes to software engineering communities of practice and events that explore new and emerging technologies

Adds to team culture of diversity, equity, inclusion, and respect
Required Qualifications, Capabilities, And Skills

  • Formal training or certification on software engineering concepts and 3+ years of applied experience
  • Hands-on practical experience in system design, application development, testing, and operational stability
  • Hands-on experience in Mainframe Assembler programming, IMS, DB2
  • Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages
  • Overall knowledge of the Software Development Life Cycle
  • Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
  • Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
  • Experience using DevOps tools in a cloud environment, such as Ansible, Docker, GitHub, Jenkins, Kubernetes and SonarQube
  • Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages

Preferred Qualifications, Capabilities, And Skills:

  • Exposure to cloud technologies
  • Familiarity with Logging, Observability and Monitoring tools