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Mainframes Developer Jobs in Delaware (NOW HIRING)

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 ...

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 ...

CyberX Info System

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/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.

Donato Technologies Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/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 ...

Stefanini Group

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 ...

Stefanini Group

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 ...

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 ...

Stefanini Group

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 ...

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 ...

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Mainframes Developer information

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in Delaware? For Mainframes Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Delaware look for? The top searched job categories for Mainframes Developer jobs in Delaware are:
Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Delaware as of July 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution.
Sr Mainframe Developer

Sr Mainframe Developer

Ruri Software Technologies LLC

Wilmington, DE • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

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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