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Mainframes Developer Jobs in Kentucky (NOW HIRING)

$130 - $190/hr

Familiarity with web interfaces to mainframes is a plus. Education Bachelor of Science (Masters ... host developer technical meetings, address issues/propose solutions, provide technical advice ...

$162 - $259/hr

Full Stack Developer CANDIDATES MUST HAVE AN ACTIVE TS/SCI w/ Poly For over 40 years, DCCA has ... Experience with legacy modernization efforts (e.g., transitioning mainframe COBOL/Db2 to modern ...

$111 - $114/hr

As a growing systems and software engineering company, we partner across public and private sectors ... Migrate all current-system functionality from the mainframes and operate within a cloud-based ...

$120 - $180/hr

NET Developer is the hands-on builder on the modernization team. You will take legacy batch ... Exposure to legacy or mainframe-style environments (e.g., COBOL-era batch systems) -- enough ...

$120 - $170/hr

NET Developer is the hands-on builder on the modernization team. You will take legacy batch ... Exposure to legacy or mainframe-style environments (e.g., COBOL-era batch systems) -- enough ...

$190 - $250/hr

... mainframe-based applications to a modern distributed tech stack. DE architecting and engineering enterprise level, multi-Cloud-based platforms built on Docker, Kubernetes, and Elastic Kubernetes ...

$85 - $120/hr

At Regions, the Software Engineer oversees application development, modification, and maintenance of applications. This position monitors system applications, ensures systems run smoothly, and ...

New

$110 - $160/hr

Experience with DevOps, Continuous Integration and Delivery tools such as Jenkins, GitHub Copilot to support quality engineering practices * Experience in Stock plan services and Mainframe will be an ...

$76 - $109/hr

Senior Software Developer (Unix/C/Oracle/SQL) Date: Aug 28, 2026 Location: Any city, TX, US, 99999 ... COBOL and Mainframe knowledge is a plus. * Use of Git and Github.com is a plus. * Experience with ...

$89 - $111/hr

Interact with internal and external technical support staff including developers, technicians ... server, mainframe z/OS operating system and subsystems, applications environments, automated ...

$135 - $182/hr

This role requires a solid technical understanding of Infrastructure Architecture engineering ... Deep technical expertise in Active Directory , Microsoft Azure AWS, Mainframe , Oracle Database ...

$90 - $100/hr

Writes programs for personal computers, LANS, programmable controllers, and interfaces with mainframe computers. Qualifications Required: * Bachelor's degree in Electrical Engineering, Electrical ...

New

$120 - $160/hr

Performs analysis of the legacy applications of mainframe, .net, Java, and facilitates ... Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or ...

$142 - $268/hr

Demonstrated experience with legacy system migrations or conversions, ideally from mainframe MRP systems to modern ERP platforms. * Proven expertise in business process re-engineering, optimization ...

$130 - $180/hr

Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). * Exposure to GenAI use cases in application engineering and code conversion. * Strong client ...

$135 - $182/hr

This role requires a solid technical understanding of Infrastructure Architecture engineering ... Deep technical expertise in Active Directory , Microsoft Azure AWS, Mainframe , Oracle Database ...

$80 - $110/hr

The role will coordinate enhancements, modifications, and upgrades across users, developers ... Experience with mainframe systems using Natural/Adabas and web systems using JAVA/DB2/SQL/Adobe

Showing results 41-60

Mainframes Developer information

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 Kentucky?

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

What job categories do people searching Mainframes Developer jobs in Kentucky look for?

The top searched job categories for Mainframes Developer jobs in Kentucky are:

Infographic showing various Mainframes Developer job openings in Kentucky as of August 2026, with employment types broken down into 78% Full Time, 6% Part Time, 15% Contract, and 1% Nights. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

ACS WEB Senior Software Developer SME/Software Engineer (Remote)

Constellation West

On-site

$130 - $190/hr

Other

Medical, Retirement, PTO

Posted 6 days ago


Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

ACS WEB Senior Software Developer SME/Software Engineer (Remote)

Full Time Remote, US

3 days ago Requisition ID: 5250044

SENIOR SOFTWARE DEVELOPER SME/SOFTWARE ENGINEER (Remote) REQUIRED SKILLS
  • Security Clearance:Active Public Trust/Minimum Background Investigation (MBI) clearance required for this position

    Required Skills

    • Minimum 15 years of software/web development/engineering/optimization using Object Oriented Programming, specifically full-stack J2EE (Java17/21 required), JavaScript (Angular JS, React, Preact), JEE, Spring Boot/Join Faces, PrimeFaces, JQuery, backup Java Beans, and JSF, or equivalent.
    • Hands-on experience either transitioning to or working with Single Page Applications (SPA).
    • Experience with software development in environments utilizing ECLIPSE, Visual Studio, JBoss/RedHat Linux, zLinux, Tomcat, HTML5, UML, .NET, Visual Basic, IBM Liberty, and Rocket Verastream Bridge Integrator (VBI), open source iText API, or equivalent.
    • Hands-on experience working with DevOps, CI/CD Pipelines, GitHub Actions, Incident Tracking/Management, and Enterprise Container Platform (ECP) containers (or equivalent) is also required.
    • Hands-on experience conducting unit testing, peer reviews, code check-in/-out procedures, requirements analysis, assessing/document level of effort (LOE), creating screen mockups via tools (i.e., HTML rendering), defect identification/resolution, assisting with troubleshooting development/production server problems, networking and environment configuration.
    • Hands-on experience drafting system technical documents (e.g., system design specifications, software user guides, Visio diagrams, process documentation, etc.).
    • Must be able to quickly integrate into teams and become intimately familiar with custom-built software applications using common open-source components this is critical.
Desired Skills

Hands-on experience using tools/guidance, or equivalent, such as: GitHub Repository, JIRA, ECLIPSE (2022 or later), Service Now, Selenium test script development, IRS Enterprise Life Cycle (ELC), OneSDLC, IRM/IRS Security regulations, IRM 2.5 System Development, and 508 Compliance. Experience with networking fundamentals, development environments, and change control processes. Familiarity with web interfaces to mainframes is a plus.

Education

Bachelor of Science (Masters preferred) in Computer Science or related discipline with a primary focus on software development/engineering is required. Software development, security, networking, system administration certifications a plus.

Job Description and Tasks

Serve as the Senior Software Development Subject Matter Expert (SME) overseeing software development operations, providing guidance as needed, while also performing Operation and Maintenance (O&M) software development activities. Work with the Project Manager, Technical Lead, Cyber Security SME, and QA Tester to execute developer team day-to-day activities, prioritize work, schedule/host developer technical meetings, address issues/propose solutions, provide technical advice, optimize processes, develop work proposals for review/approval, keep Project Manager/Task Lead informed, and develop software code changes/code updates as a productive member of software development team.

DESCRIPTION

Constellation West is a 29-year WOSB and Prime Federal Contractor bidding on IRS Criminal Investigation (CI) Management Information System Support Services (MISSS).
Qualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval.

ABOUT US

Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations across the Department of Defense and civilian agencies.

BENEFITS
  • Competitive 401(k) plan with employer matching
  • Competitive Health Benefits with employer contributions
  • 11 Paid Holidays per year
  • 15 Days starting PTO for new hires
  • Tuition/CE reimbursement
  • Relocation Assistance
  • Veteran Hiring Preference
  • Employee Stock Ownership Plan (ESOP)
EEO

Constellation West is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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