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Mainframe Developer Jobs in Columbia, SC (NOW HIRING)

Infojini Inc

Sr. .Net Developer

Columbia, SC · On-site

$50.50 - $66.50/hr

Emphases for the Programmer candidates will be on the modernization of legacy computer systems, assist with modifications to computer systems to ensure upgrade compatibility from older to newer ...

Stellent IT LLC

Senior COBOL Developer

Blythewood, SC · On-site

Senior COBOL Developer Location: Blythewood, SC (Onsite) Duration: Long term Interview Webcam Only local candidates please JD: Required Skills * 10+ Years of Experience with Visual COBOL V9 and ...

New

Arthur Lawrence

Sr. Cobol Developer

Blythewood, SC · On-site

Arthur Lawrence is looking for a Sr. Cobol Developer one our clients in Blythewood, SC. Please find the below and send us your updated resume if interested: Must-Have Skills: * 10+ years of hands-on ...

New

Arthur Lawrence

Sr. Cobol Developer

Blythewood, SC · On-site

Arthur Lawrence is looking for a Sr. Cobol Developer one our clients in Blythewood, SC. Please find the below and send us your updated resume if interested: Must-Have Skills: * 10+ years of hands-on ...

New

Infostride

Visual Cobol Developer || W2 Only

Blythewood, SC · On-site

$40 - $54.25/hr

The State of South Carolina is looking for a Programmer - Consultant - Senior COBOL Developer Why is this position open: New position to support the maintenance and development of the core DMV ...

New

NCR Voyix

Field Service Technician

Columbia, SC · 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 ...

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All JobsMainframe Developer JobsMainframe Developer Jobs in Columbia, SC

Mainframe Developer information

See Columbia, SC salary details

$9

$49

$66

How much do mainframe developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mainframe developer in Columbia, SC is $49.38, according to ZipRecruiter salary data. Most workers in this role earn between $43.61 and $56.06 per hour, depending on experience, location, and employer.

What is a mainframe developer?

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?

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 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 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.

Is a mainframe developer a good career?

A mainframe 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 technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are popular job titles related to Mainframe Developer jobs in Columbia, SC?

For Mainframe Developer jobs in Columbia, SC, the most frequently searched job titles are:

What job categories do people searching Mainframe Developer jobs in Columbia, SC look for?

The top searched job categories for Mainframe Developer jobs in Columbia, SC are:

Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Columbia, SC as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $102,714 per year, or $49.4 per hour.

Application Developer II (Programmer - Advanced)

InterSources Inc

Columbia, SC • On-site

Full-time

Re-posted 3 days ago

Job description

Job Summary:
InterSources Inc. is a Small, Woman, and Minority-Owned Business Enterprise with over 18 years of experience in IT Consulting Services. They are seeking an Application Developer II to analyze and modernize legacy applications, develop RESTful APIs, and support enterprise systems.
Responsibilities:
• Analyze and reverse engineer CA Plex models and generated code (C++, Java, .NET)
• Translate legacy business logic into modern .NET (C#) applications
• Design and develop RESTful APIs for internal and external integrations
• Modernize data access using SQL Server, T-SQL, Entity Framework, and Dapper
• Maintain and enhance enterprise applications and legacy systems
• Develop and support applications tied to data warehouse environments
• Build and maintain Power BI reports using DAX
• Implement secure integrations with external agencies (SLED, DMV, etc.)
• Follow Azure DevOps / CI-CD practices and coding standards
• Support phased migration strategies (Strangler pattern, parallel run)
• Collaborate with business stakeholders (judges, clerks, IT teams)
Qualifications:
Required:
• 3+ years of experience in Application Development
• 3+ years of experience with SQL Server / T-SQL
• 3+ years of experience working with legacy or enterprise systems
• 3+ years of experience in debugging and troubleshooting applications
• Strong experience with .NET / C# development
• Experience with API development and system integrations
Preferred:
• Experience in government or judicial systems (South Carolina preferred)
• Experience with CA Plex or similar 4GL/model-driven tools
• Experience with generated languages (C++, Java, .NET from Plex)
• Knowledge of batch processing and transactional systems
• Experience with data warehousing environments
• Understanding of case lifecycle (filed, pending, disposed)
• Familiarity with court performance metrics (backlog, clearance rates)
Company:
InterSources Inc. solves operational problems where protection, performance, compliance, AI, and workforce capability must work together. Founded in 2007, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.
InterSources logo

About InterSources

Sourced by ZipRecruiter

In 2007, Our journey began as pioneers in the realm of technology and security. Since then, InterSources Inc. has evolved into a trusted partner, leading the way in Cloud Security, Cybersecurity, PLG Consulting, Digital Transformation, and Professional Services. With a rich history of excellence and a forward-thinking approach, we continue to secure your digital future and drive innovation. Explore our legacy of success and discover the possibilities that lie ahead.

Company size

51 - 200 Employees

Headquarters location

Fremont, CA, US

Year founded

2007

Social media

Twitter

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