Mainframe Application Developer Job Description [Updated for 2025]

In this era of digital transformation, the role of mainframe application developers is crucial and in high demand.

As technology progresses, the need for proficient individuals who can devise, enhance, and secure our mainframe applications becomes more critical.

But let’s dive deeper: What’s truly expected from a mainframe application developer?

Whether you are:

• A job aspirant trying to grasp the core of this role,
• A hiring manager creating a profile for the perfect candidate,
• Or simply fascinated by the intricacies of mainframe application development,

You’ve come to the right place.

Today, we present a customizable mainframe application developer job description template, designed for effortless posting on job boards or career sites.

Let’s get started.

Mainframe Application Developer Duties and Responsibilities

Mainframe Application Developers are specialized software developers who work with mainframe systems.

They use expert knowledge of computer programming languages, mainframe technologies, and system structures to develop, maintain, and enhance applications running on a mainframe environment.

Their duties and responsibilities include:

• Analyze user needs and software requirements to determine the feasibility of design within time and cost constraints
• Design and develop mainframe applications using programming languages such as COBOL, PL/1, JCL, and more
• Conduct code and design reviews, unit testing, system testing, and integration testing
• Implement system software upgrades, new releases, and patches
• Identify and solve mainframe application and system issues
• Maintain and modify existing applications, making approved changes by amending flow charts, developing detailed programming logic, and coding changes
• Provide on-call support for production systems and provide timely solutions
• Create and maintain technical documentation to guide system users and to assist with the ongoing operation, maintenance, and development of the system
• Collaborate with other team members and stakeholders to achieve project objectives

 

Mainframe Application Developer Job Description Template

Job Brief

We are seeking a dedicated Mainframe Application Developer to design, code, test, and analyze software programs and applications related to the mainframe platform.

This includes researching, designing, documenting, and modifying software specifications throughout the production lifecycle.

The Mainframe Application Developer responsibilities include understanding business requirements, working with Business Analysts, ensuring the development work is compliant with the specifications, and producing quality work that is scalable, efficient, and has minimal defects.

 

Responsibilities

• Analyze, design, code, test, debug and implement complex programs on IBM’s mainframe platform.
• Perform system analysis, design, and development of mainframe applications.
• Work closely with the Business Analysts and stakeholders for understanding the systems’ functional and non-functional requirements.
• Participate in software design meetings and analyze user needs to determine technical requirements.
• Develop and maintain necessary documentation including program descriptions, operational procedures etc.
• Implement software upgrades and modifications to ensure the system is up-to-date and functional.
• Perform system maintenance, improve system performance and resolve technical issues.
• Ensure compliance with project plans and industry standards.

 

Qualifications

• Proven experience as a Mainframe Application Developer or similar role.
• Experience with mainframe technologies such as COBOL, JCL, CICS, VSAM, DB2.
• Strong analytical and problem-solving skills.
• Good knowledge of software development lifecycle (SDLC).
• Experience with databases, networks (LAN, WAN) and patch management.
• Knowledge of coding languages and tools including but not limited to COBOL, CICS, VSAM, DB2, JCL, and TSO/ISPF.
• Ability to document requirements and specifications.
• Bachelor’s degree in Computer Science, Engineering or a related field.

 

Benefits

• 401(k)
• Health insurance
• Dental insurance
Retirement plan
• Paid time off
• Professional development opportunities

 

Additional Information

• Job Title: Mainframe Application Developer
• Work Environment: Office setting with options for remote work. Some travel may be required for team meetings or client consultations.
• Reporting Structure: Reports to the IT Manager or the Senior Mainframe Application Developer.
• Salary: Salary is based upon candidate experience and qualifications, as well as market and business considerations.
• Pay Range: $95,000 minimum to $155,000 maximum
• Location: [City, State] (specify the location or indicate if remote)
• Employment Type: Full-time
• Equal Opportunity Statement: We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
• Application Instructions: Please submit your resume and a cover letter outlining your qualifications and experience to [email address or application portal].

 

What Does a Mainframe Application Developer Do?

Mainframe Application Developers are IT professionals who work on large, complex computing environments known as mainframes.

They are typically employed by large corporations or IT firms that require large-scale data processing capabilities.

Their primary role involves designing, coding, testing, and implementing applications for mainframe systems.

They work closely with other IT professionals such as System Analysts and Database Administrators to define system requirements and develop solutions.

They are skilled in mainframe languages such as COBOL, JCL, and DB2, and use these languages to develop applications that meet business needs.

They may also be involved in modifying existing applications to improve functionality or to accommodate changing business requirements.

Mainframe Application Developers also ensure the efficient operation of the mainframe system by troubleshooting and resolving any technical issues that may arise.

This includes diagnosing and fixing bugs in the software, optimizing system performance, and maintaining the security and integrity of the mainframe system.

Additionally, they document the design and operation of the software they develop, providing detailed instructions and guidelines for other IT professionals and end users.

They may also provide training and support to users to ensure they can effectively utilize the mainframe applications.

Just like other development roles, Mainframe Application Developers also often participate in system reviews and quality assurance testing to ensure that the applications they develop meet the specifications and standards set by their employers or clients.

 

Mainframe Application Developer Qualifications and Skills

A proficient Mainframe Application Developer should possess a diverse set of technical skills, interpersonal abilities, and industry knowledge to build and maintain mainframe-based applications.

These include:

• Technical proficiency in mainframe languages such as COBOL, JCL, CICS, and DB2 to develop, debug, and test applications.
• Knowledge of mainframe systems, tools, and utilities for application development, testing, and deployment.
• Understanding of database management systems and data modeling to effectively work with large amounts of data.
• Experience in using Integrated Development Environments (IDEs) and version control systems to efficiently develop and maintain code.
• Analytical thinking skills to understand complex business requirements and design appropriate solutions.
• Problem-solving skills to quickly identify and fix issues that arise during application development, testing, and maintenance.
• Interpersonal and communication skills to effectively collaborate with team members, stakeholders, and end-users.
• Attention to detail to ensure high levels of accuracy in code development and documentation.
• Adaptability to keep up with emerging trends in mainframe technology and implement updated practices into work.

 

Mainframe Application Developer Experience Requirements

Mainframe Application Developers generally need at least 2-3 years of experience working with mainframe systems, often gained through a full-time role or internship.

This experience may be in direct application development or related roles such as System Analyst, Data Analyst, or other IT-related positions.

They should have a solid foundation in mainframe languages such as COBOL, JCL, DB2, and IMS.

Candidates with 3-5 years of experience are often proficient in problem-solving, debugging, and system design.

They might have developed their technical skills in a specific domain, such as banking, insurance, or logistics, and are expected to understand the business processes in those industries.

Those with more than 5 years of experience usually have a strong understanding of mainframe architecture, with the ability to design, implement, and manage large applications.

They may also have experience managing junior developers or working as part of a project team.

At this level, candidates might be ready for a senior or lead developer role, depending on the complexity of the projects they have previously worked on.

In addition, any experience with modernization of mainframe applications, such as migrating to cloud-based platforms or integrating with modern application interfaces, would be highly valued.

 

Mainframe Application Developer Education and Training Requirements

Mainframe Application Developers typically hold a bachelor’s degree in computer science, software engineering, information technology, or another related field.

In their educational pursuits, they should have gained a solid foundation in programming, systems analysis, and software development.

Familiarity with languages such as COBOL, JCL, or CICS is crucial as these languages are commonly used in mainframe environments.

To bolster their credentials, Mainframe Application Developers may also pursue a master’s degree in a specific IT discipline or software engineering.

This advanced degree not only helps to expand their knowledge base but also demonstrates a commitment to their professional development.

Certification in mainframe technologies or applications, such as IBM Certified System Programmer or Certified Database Administrator, can significantly enhance a developer’s prospects.

These certifications validate their technical skills and their proficiency in managing and developing applications for mainframe systems.

Work experience, internships, or part-time roles that provide hands-on experience in mainframe environments are also beneficial.

This practical experience aids in understanding the complexities and nuances of mainframe systems.

Continued learning through advanced courses, seminars, or workshops is recommended to stay updated with the latest mainframe technologies and techniques.

This ongoing education showcases a developer’s commitment to keeping their skills current in the ever-evolving IT landscape.

 

Mainframe Application Developer Salary Expectations

A Mainframe Application Developer earns an average salary of $75,922 (USD) per year.

However, this figure may differ based on factors like years of experience, qualifications, location, and the company one is employed by.

 

Mainframe Application Developer Job Description FAQs

What is the difference between a Mainframe Application Developer and a Software Developer?

While both roles involve coding and software development, a Mainframe Application Developer specifically works with mainframe systems, which are high-capacity computers used by large organizations for tasks that require processing large amounts of data.

Software Developers, on the other hand, may work on a variety of platforms and systems, not solely on mainframes.

 

What are the daily duties of a mainframe application developer?

A Mainframe Application Developer typically starts their day by reviewing their tasks and setting priorities.

They might be coding new features, debugging existing applications, or optimizing systems for performance.

They collaborate closely with other team members, including systems analysts, project managers, and other developers.

Regular meetings are also part of their routine to align with team objectives and stay updated on project progress.

 

What skills does a Mainframe Application Developer need?

Mainframe Application Developers should have strong programming skills in languages commonly used in mainframe environments, such as COBOL, JCL, and CICS.

They also need to understand database management systems like DB2 or IMS.

Furthermore, they should have problem-solving skills, be able to work as part of a team, and communicate effectively.

 

What qualities make a good Mainframe Application Developer?

A good Mainframe Application Developer is detail-oriented, as they need to write and review complex code carefully.

They are problem solvers who can think analytically to identify and correct issues.

They are also constant learners who strive to keep their skills updated as technologies evolve.

 

Is a degree required to become a Mainframe Application Developer?

While not always required, a degree in computer science, information technology, or a related field can provide a strong foundation for a career as a Mainframe Application Developer.

Some employers may consider candidates with significant relevant experience and demonstrated skills in lieu of a formal degree.

 

Conclusion

And there you have it.

Today, we’ve given you a glimpse into what it truly means to be a Mainframe Application Developer.

Surprise, surprise?

It’s not just about coding complex programs.

It’s about constructing the backbone of our digital age, one mainframe application at a time.

With our reliable Mainframe Application Developer job description template and real-world examples, you’re ready to take your next step.

But why limit yourself?

Delve further with our job description generator. It’s your ultimate tool for creating razor-sharp job postings or polishing your resume to perfection.

Remember:

Every mainframe application is a building block of our digital infrastructure.

Let’s shape the future of technology. Together.

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