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Mainframe Software Developer Jobs in Baltimore, MD

Serigor, Inc.

Senior .NET Developer (Onsite)

Columbia, MD · On-site

$53.75 - $70.75/hr

Experience supporting Mainframe modernization, automated code conversion, and enterprise ... NET engineering standards and architecture principles * Develop RESTful APIs, gRPC services ...

BDR Solutions LLC

Sr. ALC Developer (hybrid)

Lanham, MD · On-site

$54.50 - $71.75/hr

The role requires deep expertise in IBM mainframe assembly programming, AEV JCL, and the full IBM mainframe toolchain, and the ability to work within IRS's rigorous production control processes (PECP ...

Omm IT Solutions

Principal Software Engineer

Woodlawn, MD

$140K - $188K/yr

Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket ... mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for ...

Omm IT Solutions

Principal Software Engineer

Ellicott City, MD · On-site

$134K - $180K/yr

Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket ... mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for ...

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How much do mainframe software developer jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for mainframe software developer in Baltimore, MD is $53.04, according to ZipRecruiter salary data. Most workers in this role earn between $46.83 and $60.19 per hour, depending on experience, location, and employer.

How does a Mainframe Software Developer typically collaborate with cross-functional teams in a modern IT environment?

Mainframe Software Developers frequently work with cross-functional teams that include business analysts, system architects, QA testers, and DevOps engineers. Collaboration often involves participating in daily stand-ups, code reviews, and joint problem-solving sessions to ensure seamless integration of mainframe applications with newer technologies. Developers also play a key role in translating business requirements into robust mainframe solutions, and may be involved in mentoring junior developers or coordinating with offshore teams. This collaborative environment helps ensure that legacy systems remain aligned with evolving business needs and IT strategies.

What is a Mainframe Software Developer?

A Mainframe Software Developer is an IT professional who designs, develops, tests, and maintains software applications that run on mainframe computers. These developers typically work with programming languages such as COBOL, JCL, and Assembler, and are responsible for ensuring the performance and reliability of critical business systems used by large organizations. Mainframe Software Developers often collaborate with business analysts, project managers, and other IT staff to support and enhance legacy systems, as well as to integrate new technologies with existing mainframe infrastructure.

What is the difference between Mainframe Software Developer vs Mainframe Systems Analyst?

AspectMainframe Software DeveloperMainframe Systems Analyst
Required CredentialsBachelor's in Computer Science or related field, certifications like IBM Certified SpecialistBachelor's in IT, Computer Science, or related, often with certifications in mainframe systems
Work EnvironmentDevelops and codes mainframe applications, often in COBOL, PL/I, or AssemblerAnalyzes system requirements, designs solutions, and coordinates between users and developers
Employer & Industry UsageFinancial institutions, government agencies, large corporations using mainframe systemsSame industries, focusing on system analysis, requirements gathering, and process improvements

While Mainframe Software Developers focus on coding and building mainframe applications, Mainframe Systems Analysts analyze existing systems and gather requirements to improve or implement new solutions. Both roles are essential in mainframe environments and often collaborate closely.

Are mainframe programmers still in demand?

Mainframe software developers are still in demand in industries such as finance, healthcare, and government that rely on legacy systems. These roles often require skills in COBOL, JCL, and mainframe environments, and demand persists due to the complexity and cost of migrating legacy systems. However, the overall demand is gradually declining as organizations modernize their IT infrastructure.

What are the key skills and qualifications needed to thrive as a Mainframe Software Developer, and why are they important?

To thrive as a Mainframe Software Developer, you need expertise in COBOL, JCL, mainframe operating systems (such as z/OS), and a background in computer science or related fields. Familiarity with mainframe tools like IBM CICS, DB2, and version control systems, along with certifications such as IBM Certified System Programmer, is highly valued. Strong analytical thinking, problem-solving abilities, and effective communication set standout professionals apart in this field. These skills ensure the maintenance of critical legacy systems, support for business operations, and seamless integration with modern technologies.
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Mainframe Software Developer jobs near you
Infographic showing various Mainframe Software Developer job openings in Baltimore, MD as of June 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution, with an average salary of $110,320 per year, or $53 per hour.
Software Engineer III

Software Engineer III

Motion Recruitment

Owings Mills, MD

Other

Posted 2 days ago

Job description

Job Title: Senior Software Engineer
Location: Owings Mills, MD, 21117
Duration: 6 Months contract
Manager notes
  • “supply chain”, AWS side with WhatsApp, Seismic, AEM, Adobe Workfront
  • AWS skillset – Strong, independent engineer
  • Sharepoint experience would be nice to have, API’s
  • Alfresco move millions of docs to SP via AWS
  • Application focused, data engineer will not work 

Job Description
  • Strong knowledge of various AWS resources (primarily creating lambdas, AWS Step Functions, working with DynamoDB and ability to navigate AWS CLI/console
  • Node JS experience (Typescript required) (Backend)
  • Java experience
  • Middleware knowledge
  • HTML/CSS and JS experience
  • GitLab and Gitlab CI
  • AEM Knowledge (not required but good to know/preferred)
Summary:
The main function of a Software Engineer is to design, develop, implement, test, and maintain business and computer applications software or specialized utility programs including mainframe and client/server applications, and major enhancement of existing systems
Job Responsibilities:
  • Fine-tune and improve a variety of sophisticated software implementation projects
  • Gather and analyze system requirements, document specifications, and develop software solutions to meet client needs and data
  • Analyze and review enhancement requests and specifications
  • Implement system software and customize to client requirements
  • Prepare the detailed software specifications and test plans
  • Code new programs to client’s specifications and create test data for testing
  • Modify existing programs to new standards and conduct unit testing of developed programs
  • Create migration packages for system testing, user testing, and implementation
  • Provide quality assurance reviews
  • Perform post-implementation validation of software and resolve any bugs found during testing
  • Provide technical leadership, guidance, and informal mentoring to other engineers
  • Operate independently to deliver cloud solutions with minimal oversight
Qualifications:
  • Bachelor's degree in a technical field such as computer science, computer engineering or related field required
  • At least 8+ years' experience required
  • A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design
  • Large systems software design and development experience
  • Experience performing in-depth troubleshooting and unit testing with both new and legacy production systems
  • Experience in programming and experience with problem diagnosis and resolution

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