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Mainframe Developer Jobs in Orlando, FL (NOW HIRING)

Paynuity

Software Developer

Orlando, FL · Remote

The Full Stack Developer is responsible to help define and design the requirements, UI/UX, construction, integration, testing, verification and maintenance of unit tests and core application code for ...

Paynuity

Software Developer

Orlando, FL · Remote

The Full Stack Developer is responsible to help define and design the requirements, UI/UX, construction, integration, testing, verification and maintenance of unit tests and core application code for ...

Athena Technologies LLC

Software Developer

Orlando, FL · On-site

$49K - $130K/yr

Containerization Required Education/Experience : * 4-year degree from an accredited institution in Computer Engineering, Computer Science, or related field. * Minimum 3 years in application ...

Paynuity

Software Developer

Orlando, FL · On-site

The Full Stack Developer is responsible to help define and design the requirements, UI/UX, construction, integration, testing, verification and maintenance of unit tests and core application code for ...

Athena Technologies LLC

Software Developer

Orlando, FL · On-site

$49K - $130K/yr

Containerization Required Education/Experience : * 4-year degree from an accredited institution in Computer Engineering, Computer Science, or related field. * Minimum 3 years in application ...

Paynuity

Software Developer

Orlando, FL · On-site

$75K - $100K/yr

The Full Stack Developer is responsible to help define and design the requirements, UI/UX, construction, integration, testing, verification and maintenance of unit tests and core application code for ...

SNC-Lavalin

Senior Software Developer

Orlando, FL

$80K - $130K/yr

Overview We're hiring an experienced and motivated Senior Software Developer in our National Technology Practice to support key internal and external clients from one of our many hub offices across ...

CYNET SYSTEMS

Software Developer 1

Orlando, FL · On-site

$30 - $37/hr

As a Full Stack Developer, you will be an integral part of our team, developing the engineering data management system followed by developing Large Language Model (LLM) assistants to enhance the ...

Conch Technologies Inc

RPA Developer

Orlando, FL · On-site

Hi, Greetings from Conch Technologies Position: RPA Developer Location: Hybrid in Orlando, FL Duration: 12+ Months Contract Key Responsibilities * Design, develop, test, and deploy RPA solutions ...

Apex Informatics

Senior Microsoft 365 Developer

Ocoee, FL · On-site

$48 - $63.25/hr

Title: Senior Microsoft 365 Developer Location: Ocoee, FL The Senior Microsoft 365 Developer is responsible for designing, developing, and supporting business solutions using Microsoft 365 ...

ThreatLocker

Senior Kernel Software Developer

Orlando, FL · On-site

$50.75 - $67.25/hr

They are seeking a Windows Kernel Driver Engineer to design and develop kernel-mode filter drivers and collaborate with various teams to enhance security solutions. Responsibilities : • Design and ...

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All JobsMainframe Developer JobsMainframe Developer Jobs in Orlando, FL

Mainframe Developer information

See Orlando, FL salary details

$9

$49

$67

How much do mainframe developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for mainframe developer in Orlando, FL is $49.83, according to ZipRecruiter salary data. Most workers in this role earn between $43.99 and $56.54 per hour, depending on experience, location, and employer.

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.

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.

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 operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

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.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

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 the most commonly searched types of Mainframe Developer jobs in Orlando, FL? The most popular types of Mainframe Developer jobs in Orlando, FL are:
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What job categories do people searching Mainframe Developer jobs in Orlando, FL look for? The top searched job categories for Mainframe Developer jobs in Orlando, FL are:
What cities near Orlando, FL are hiring for Mainframe Developer jobs? Cities near Orlando, FL with the most Mainframe Developer job openings:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Orlando, FL as of August 2026, with employment types broken down into 77% Full Time, 9% Part Time, and 14% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $103,645 per year, or $49.8 per hour.

Kernel Software Developer

Texas State Library and Archives Commision

Apopka, FL • On-site

Full-time

Re-posted 10 days ago

Job description

KERNEL SOFTWARE DEVELOPER
Apopka, Florida
KERNEL SOFTWARE DEVELOPER
  • As a Kernel Software Developer at our global client, you will design, implement, and maintain key subsystems in the kernel, working across Windows, Linux and MacOS environments.
  • This role is ideal for engineers who thrive close to the hardware/software boundary, enjoy solving complex low-level problems, and want to contribute to a product with real-world security impact.

Core Responsibilities
  • Develop, debug, and test kernel-level code in C with a focus on performance and security.
  • Work on low-level system APIs and validate system functionality from user space.
  • Design, develop, and maintain device drivers for subsystems including USB, networking,graphics, storage, and power management.
  • Contribute to the design and maintenance of CI/CD pipelines for kernel and driver code.Port, configure, and maintain Linux distributions for custom platforms.

Qualifications:
  • 5- 7+ years of professional software development experience.
  • Strong proficiency in C programming and low-level systems development.
  • Hands-on experience with Windows, Linux and/or MacOS kernel internals.
  • Solid understanding of computer architecture and server hardware platforms.
  • Experience with system software development in C and Python.

Apply