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Mainframes Developer Jobs in Jacksonville, FL (NOW HIRING)

FIS

Engineer Sr Lead, Systematics

Jacksonville, FL

Demonstrated ability to adapt to different mainframe/client environments and mainframe tool sets. Bonus if you have: * Minimum of 10 years experience working on FIS Systematics applications with ...

NCR Voyix

Field Service Technician I

Jacksonville, FL · On-site

$19 - $20.83/hr

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Familiarity with large servers, mainframe computers, and imaging software. * A+ Certification ...

Fortegra

Fortegra General Application

Jacksonville, FL · On-site

Interested in Fortegra but not sure what department or opportunity? Fortegra is always on the lookout for talented individuals to join our team. We understand that exceptional talent may not always ...

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Showing results 41-52

All JobsMainframes Developer JobsMainframes Developer Jobs in Jacksonville, FL

Mainframes Developer information

See Jacksonville, FL salary details

$44.5K

$103.6K

$153.8K

How much do mainframes developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for mainframes developer in Jacksonville, FL is $103,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,400.00 and $120,500.00 per year, depending on experience, location, and employer.

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.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Jacksonville, FL?

For Mainframes Developer jobs in Jacksonville, FL, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Jacksonville, FL look for?

The top searched job categories for Mainframes Developer jobs in Jacksonville, FL are:

What cities near Jacksonville, FL are hiring for Mainframes Developer jobs?

Cities near Jacksonville, FL with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $103,632 per year, or $49.8 per hour.

Information Technology_USA - USA_Business Analyst

Jacksonville, FL • On-site

Real Soft, Inc.
IT Services • 501 - 1,000 employees
Learn more about Real Soft, Inc.external

Contractor

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

Job description

Local to NJ only!
Looking for senior QA Automation engineers with strong experience in modern test automation frameworks and hands-on software engineering practices. Candidates should demonstrate expertise in framework design, API automation, CI/CD integration, scalable test architecture, asynchronous workflow handling, dynamic data validation, flaky test analysis, parallel execution, and quality ownership across the SDLC. Strong analytical thinking, debugging skills, and the ability to design maintainable, production-ready automation solutions are essential.
Keywords
Selenium / Playwright / Python / PyTest
Automation Framework Architecture
API Automation & Validation
CI/CD (Jenkins, GitHub Actions, Azure DevOps, GitLab)
Parallel Test Execution
Flaky Test Analysis & Stabilization
Dynamic Data & Timestamp Handling
End-to-End Workflow Automation
Synchronization (Waits, Polling, Retries)
Test Framework Design & Scalability
Release Readiness / Quality Engineering
Strong Debugging & Problem-Solving Skills
Detailed JD: Techno-Functional Quality Engineer - Required Skill Set
Mandatory Skills
• Strong hands-on experience with Playwright using TypeScript and/or Python.
• Proven expertise in UI, API, and Database test automation.
• Strong programming skills in Python and/or TypeScript, with the ability to build and maintain scalable automation frameworks/reusable components
• Exposure to API testing tools, CI/CD pipelines, Git, and test reporting frameworks.
• Experience with AI-assisted test automation tools or intelligent automation frameworks is an added advantage.
• Solid understanding of functional testing, including the ability to:
o Analyze business requirements, user stories, and acceptance criteria.
o Design and execute functional, integration, progression, and regression test scenarios.
o Collaborate effectively with Product Owners, Business Analysts, and Developers to ensure complete test coverage.
• Experience working in Agile/Scrum delivery environments with a quality-first mindset.
Nice-to-Have Skills
• Knowledge of the Property & Casualty (P&C) Insurance domain
• Experience with Mainframe testing, including validation of legacy applications and integration testing with distributed systems.
Skills: Generative AI - Quality Assurance
Experience Required: 10 & Above

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