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Mainframe Developer Jobs in Kentucky (NOW HIRING)

Bitwerx, Inc

Senior Developer

Lexington, KY · On-site

$54.25 - $71.50/hr

Senior Developer About the job Who are we? Bitwerx, Inc. is a team of industry experts focused on designing, building, and supporting innovative software solutions that leverage data to improve the ...

Bitwerx, Inc

Senior Developer

Lexington, KY · On-site +1

$54.25 - $71.50/hr

Senior Developer About the job Who are we? Bitwerx, Inc. is a team of industry experts focused on designing, building, and supporting innovative software solutions that leverage data to improve the ...

Quantam

Senior Microsoft Developer

Louisville, KY · On-site

$52.25 - $69.25/hr

We are currently seeking a Senior Microsoft Developer . Candidates must be located within 90 minutes of Louisville, KY. Candidates must be able to interview in person in Louisville, KY. Excellent ...

CATALIS

Software Developer I

Edmonton, KY · On-site

The Opportunity Software Developer will be a key member of our Community Justice Solution team, focused on developing and maintaining a microservice-based architecture on Azure. This role involves ...

CATALIS

Software Developer III

Edmonton, KY · On-site

The Opportunity The Software Developer III is a senior-level contributor responsible for designing, building, and maintaining scalable, high-performance applications. This role requires expertise in ...

CATALIS

Software Developer I

Edmonton, KY · On-site

The Opportunity In this role, the Developer will be responsible for signing, developing, testing, implementing, maintaining, supporting and documenting applications and systems to support the company ...

CATALIS

Software Developer I

Edmonton, KY · On-site

NET Software developer (2+ years) to work with the existing development team to expand the functionality of our proprietary system. Candidate must be able to learn our system architecture. Candidates ...

PSST

Software Developer

Louisville, KY · On-site

Technology/Developer Date Posted: 3/20/2014 Location: CENTRAL OFFICE Date Available: 09/01/2019 Closing Date: 09/15/2019~~Video provides a powerful way to help you prove your point. When you click ...

ZEISS

Software Application Developer - WMS

Hebron, KY · On-site

The Application Developer is responsible for technical design, development, testing, implementation, administration, and support of the HighJump Warehouse Management System (WMS), as well as other ...

ZEISS

Software Application Developer - WMS

Hebron, KY · On-site

The Application Developer is responsible for technical design, development, testing, implementation, administration, and support of the HighJump Warehouse Management System (WMS), as well as other ...

NCR Voyix

Field Service Technician

Pikeville, KY · On-site

$19 - $21/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 ...

NCR Voyix

Field Service Technician

Shepherdsville, KY · On-site

$19 - $21/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 ...

Staffingine LLC

Sr. .Net Developer

Louisville, KY · On-site

$52.25 - $69.25/hr

Net Developer with Java Knowledge Job Location: Louisville, KY or St Louis, MO or Alpharetta, GA Job Type: Contract to Hire * Analyze and upgrade .net thick client in an AWS cloud infrastructure ...

NCR Voyix

Field Service Technician

Lexington, KY · On-site

$19 - $20/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 ...

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Mainframe Developer information

See Kentucky salary details

$8

$46

$62

How much do mainframe developer jobs pay per hour?

As of Jul 12, 2026, the average hourly pay for mainframe developer in Kentucky is $46.36, according to ZipRecruiter salary data. Most workers in this role earn between $40.91 and $52.60 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 Kentucky? The most popular types of Mainframe Developer jobs in Kentucky are:
What are popular job titles related to Mainframe Developer jobs in Kentucky? For Mainframe Developer jobs in Kentucky, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Kentucky look for? The top searched job categories for Mainframe Developer jobs in Kentucky are:
What are popular job titles related to Mainframe Developer jobs in KY? For Mainframe Developer jobs in KY, the most frequently searched job titles are:
Mainframe Developer jobs near you
Applications Developer

Applications Developer

Marsh & McLennan Companies, Inc.

Louisville, KY • On-site

Full-time

Posted 5 days ago

Job description

Company:
Marsh
Description:
We are seeking a motivated Associate FinOps Engineer to join our Cloud Platform Solutions team at Marsh. This role will be based in Louisville, Kentucky.
This is a hybrid role that has a requirement of working at least three days a week in the office. Reporting to the Senior Manager, Cloud Platform Solutions, the Associate FinOps Engineer will contribute to building and maintaining the data pipelines, APIs, and integrations that power cloud cost visibility, optimization, and governance across our multi-cloud environment.
We will count on you to:
  • Build and maintain Python data pipelines that ingest, normalize, and transform AWS CUR, Azure Billing Exports, and OCI billing data into unified cost datasets.
  • Develop and support REST API endpoints and integrations between cloud billing systems, Databricks, and downstream dashboards/reporting tools for self-serve cost analysis and automated reporting.
  • Partner with FinOps analysts and the data analytics team to translate cost visibility requirements into reliable engineering solutions.
  • Contribute to anomaly detection and cost optimization workflows, including alerts, recommendations, and notifications through email, Microsoft Teams, and ticketing platforms.
  • Maintain materialized views, support query optimization and data freshness monitoring, help develop LLM-based natural language query features with proper guardrails/audit logging, and keep technical documentation, runbooks, and support procedures current.

What you need to have:
  • 2-4 years of professional experience in software engineering, cloud engineering, or a related technical role.
  • Hands-on experience with AWS and/or Azure billing data (CUR, Azure Billing Exports, or equivalent).
  • Proficiency in Python, including building production-grade APIs, data pipelines, and integrations with cloud provider APIs.
  • Familiarity with data platforms such as Databricks, Snowflake, or similar; experience writing and optimizing SQL queries against large datasets.
  • Experience with CI/CD pipelines, version control (GitHub), and software development best practices (code review, testing, documentation).

What makes you stand out:
  • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or equivalent experience.
  • FinOps Certified Practitioner (FCP) - FinOps Foundation, or equivalent hands-on FinOps experience.
  • Hands-on experience with cloud billing data (AWS CUR, Azure Billing Exports, OCI Billing Data and or FOCUS) and exposure to FinOps concepts
  • Experience integrating LLM APIs (OpenAI, Anthropic, or similar) into production systems, including guardrail design and safety controls.
  • Exposure to ServiceNow workflow automation or Microsoft Teams bot/webhook integrations.

Why join our team:
  • We help you be your best through professional development opportunities, interesting work and supportive leaders.
  • We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have an impact on colleagues, clients and communities.
  • Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting reasonableaccommodations@marsh.com.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.

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