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Remote Mainframe Developer Jobs in Ohio (NOW HIRING)

Senior Java Developer

Columbus, OH · On-site +1

$55.25 - $70.50/hr

This is Full Time & Remote role who can work In EST Time Zone Role Overview: We are looking for an experienced Senior Java Developer with strong expertise in mainframe migration and cloud ...

... Mainframes. * Knowledge of ATDD & TDD. * Good understanding of Object-Oriented Programming ... Remote roles will also have the opportunity to come together in our offices for moments that matter.

... UI, Mainframes. Knowledge of ATDD & TDD Good understanding of Object-Oriented Programming ... Remote roles will also have the opportunity to come together in our offices for moments that matter.

... Mainframes. * Knowledge of ATDD & TDD. * Good understanding of Object-Oriented Programming ... Remote roles will also have the opportunity to come together in our offices for moments that matter.

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Remote Mainframe Developer information

See Ohio salary details

$9

$50

$68

How much do remote mainframe developer jobs pay per hour?

As of Jun 29, 2026, the average hourly pay for remote mainframe developer in Ohio is $50.75, according to ZipRecruiter salary data. Most workers in this role earn between $44.81 and $57.60 per hour, depending on experience, location, and employer.

What Does a Remote Mainframe Developer Do?

As a remote mainframe developer, you work from home to design, code, test, and configure software and applications used on a mainframe system. Mainframes are large computers with particularly high processing power and are often used for critical tasks like bulk data processing or enterprise resource planning. In this role, you may help ensure all new software is fully backward-compatible, monitor system performance, isolate errors, and work collaboratively with other developers as needed. Most mainframe developers work for larger companies. As a remote employee, you use virtual office software, phone, chat, or email to remain connected to other employees.

How much do mainframe programmers make?

Mainframe programmers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe tools can command higher salaries, especially in industries like finance and government. Remote positions may also influence compensation levels.

Is mainframe still in demand?

Mainframe developers are still in demand due to the continued reliance of many large organizations on legacy systems for critical operations. Skills in COBOL, JCL, and mainframe environments remain valuable, especially in finance, insurance, and government sectors where mainframes handle high-volume transactions.

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

To thrive as a Remote Mainframe Developer, you need strong programming skills in languages like COBOL, JCL, and experience with mainframe operating systems, often supported by a degree in computer science or related field. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is typically required, along with relevant certifications. Excellent problem-solving abilities, independent work ethic, and effective virtual communication are standout soft skills for this remote role. These skills ensure smooth maintenance, modernization, and support of critical legacy systems in distributed teams.

Can mainframe be replaced by AI?

Mainframe developers work with large-scale, legacy systems that require specialized knowledge of mainframe environments, programming languages, and security protocols. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace the need for skilled mainframe developers who manage complex, mission-critical systems. Instead, AI tools are increasingly used to augment their work and improve efficiency.

Does mainframe need coding?

Yes, mainframe developers typically need coding skills in languages such as COBOL, PL/I, or Assembler to create, maintain, and update mainframe applications. Proficiency in these languages is essential for working effectively in mainframe environments and often includes understanding of tools like JCL and DB2. Coding is a core part of mainframe development roles.

How does a Remote Mainframe Developer typically collaborate with on-site teams and manage communication challenges?

As a Remote Mainframe Developer, you'll often work closely with on-site IT teams, business analysts, and project managers through virtual meetings, chat platforms, and shared documentation tools. Effective communication is key, so regular check-ins and proactive status updates help ensure alignment on project goals and troubleshooting efforts. Many companies use agile methodologies, which means you'll likely participate in daily stand-ups and sprint planning sessions remotely. While time zone differences can be a challenge, flexible scheduling and clear communication protocols are common strategies to keep everyone connected and productive.

What is a Remote Mainframe Developer?

A Remote Mainframe Developer is a software professional who specializes in designing, developing, maintaining, and troubleshooting applications that run on mainframe computers, while working from a remote location. Mainframes are powerful computers often used by large organizations for critical applications, such as transaction processing and bulk data handling. Remote Mainframe Developers use programming languages like COBOL, JCL, and Assembler, and often connect to mainframe systems via secure networks. Their work ensures that legacy systems remain efficient, secure, and up-to-date. This role typically requires strong technical skills, experience with mainframe environments, and effective communication for collaborating with on-site teams.
What are the most commonly searched types of Mainframe Developer jobs in Ohio? The most popular types of Mainframe Developer jobs in Ohio are:
What are popular job titles related to Remote Mainframe Developer jobs in Ohio? For Remote Mainframe Developer jobs in Ohio, the most frequently searched job titles are:
What job categories do people searching Remote Mainframe Developer jobs in Ohio look for? The top searched job categories for Remote Mainframe Developer jobs in Ohio are:
What cities in Ohio are hiring for Remote Mainframe Developer jobs? Cities in Ohio with the most Remote Mainframe Developer job openings:
Infographic showing various Remote Mainframe Developer job openings in Ohio as of June 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 93% Full Time, 4% Part Time, and 1% Contract. Highlights an 38% Physical, 3% Hybrid, and 59% Remote job distribution, with an average salary of $105,552 per year, or $50.7 per hour.
Mainframe Modernization Engineer (COBOL)

Mainframe Modernization Engineer (COBOL)

Computer Task Group, Inc

Columbus, OH • Remote

$45 - $50/hr

Full-time

Posted 2 days ago


Job description

Overview

CTG is seeking an experienced Mainframe Modernization Engineer (COBOL) to support a large-scale legacy modernization initiative. This role combines deep expertise in COBOL, CICS, and DB2 with modern Java development to migrate mission-critical applications to scalable microservices architectures.

Location: Columbus, OH
Duration: 12 months

Key Responsibilities:

  • Develop, maintain, and migrate COBOL/CICS/DB2 online and batch applications.
  • Design and build Java 21/Spring Boot microservices.
  • Support application modernization, testing, deployment, and production support.
  • Develop containerized solutions using Docker and Kubernetes.
  • Implement Kafka-based messaging solutions.
  • Optimize SQL performance and participate in Agile development activities.

Required Qualifications:

  • 7+ years of backend or full-stack development experience.
  • Strong hands-on experience with COBOL, CICS, DB2, and mainframe migration.
  • Expert knowledge of Java 17+/21 and Spring Boot.
  • Experience with microservices, Docker, Kubernetes, Kafka, Git, and CI/CD.
  • Strong SQL, troubleshooting, and enterprise application architecture skills.

Education:

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
  • Equivalent combination of education and relevant professional experience may be considered.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:
To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

The expected base salary for this position ranges from $45.00 to $50.00/hour. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered.


Computer Task Group logo

About Computer Task Group

Sourced by ZipRecruiter

We know that achieving our mission begins and ends with our people—and by people we mean you. Regardless of individual roles or responsibilities, regardless of industry or subject matter expertise, our lives happen in relation to other people—our colleagues, clients, and partners. CTG cultivates a workplace that attracts and develops the best people. Being Great Place to Work-CertifiedTM not only supports our Vision but also validates the rewarding workplace culture that has made CTG a leading IT and digital solutions and services company for more than 55 years.

Company size

1,001 - 5,000 Employees

Headquarters location

Buffalo, NY, US

Year founded

1966

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