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As 400 Developer Jobs (NOW HIRING)

IDR, Inc.

IBM i Developer

Coppell, TX · On-site

Immediate opening for an experienced IBM i (AS/400) RPG Developer to support and modernize enterprise financial applications in a hybrid IBM i/Linux environment. This role focuses on maintaining ...

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Stevens Transport

IT Senior Developer

Dallas, TX · On-site

$54 - $71.25/hr

Stevens Transport is seeking an IT Senior Developer responsible for the ongoing development and maintenance of RPG ILE applications on the AS/400 platform. This role involves designing and coding ...

Stevenstransport

IT Senior Developer

Dallas, TX

$54 - $71.25/hr

The IT SeniorDeveloper is a seniorlevel roleresponsible for the ongoing development and maintenance of RPG ILE applications running on an AS/400 platform. Working closely with other developers under ...

Infojini Inc

Cobol Developer

Clinton, OK

$43.75 - $59/hr

Cobol Developer Location: Clinton, OK Duration: 8+ months Client: Direct Client Required Skills ... Experience with COBOL and AS/400 Control Language (CL). * Experience with IBM DB2 for AS/400

Cordova

RPG Engineer

Omaha, NE · On-site

Proven experience as an RPG Developer or Engineer. * Strong proficiency in RPG IV, ILE RPG, and Free-form RPG. * Experience with DB2/400, SQL, and other IBM i native databases. * Familiarity with ...

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As 400 Developer information

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How much do as 400 developer jobs pay per hour?

As of Jul 17, 2026, the average hourly pay for as 400 developer in the United States is $54.90, according to ZipRecruiter salary data. Most workers in this role earn between $50.24 and $58.41 per hour, depending on experience, location, and employer.

What tech jobs pay $400,000 a year?

For an AS/400 Developer, earning $400,000 annually is uncommon and typically requires senior-level experience, specialized skills, and working in high-paying industries such as finance or technology. High compensation roles often involve leadership, consulting, or niche expertise, and may include bonuses or stock options. Most AS/400 Developer positions offer salaries below this threshold, but top-tier professionals with extensive experience can approach or exceed this level in certain circumstances.

How much does an AS400 developer make in the US?

An AS400 developer in the US typically earns between $70,000 and $110,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in RPG, CL, and IBM i environments tend to command higher salaries, especially in industries relying heavily on legacy systems.

Is AS400 still in demand?

AS/400 developers remain in demand for maintaining legacy systems in industries like finance and manufacturing. Knowledge of RPG, CL, and IBM i operating systems is valuable, and many organizations seek professionals to support and modernize their existing AS/400 environments.

What are some common challenges faced by AS400 Developers when maintaining legacy systems?

AS400 Developers often encounter challenges such as working with outdated codebases, integrating legacy applications with modern technologies, and limited documentation for older systems. These hurdles require strong problem-solving skills and a deep understanding of both RPG and COBOL programming languages. Additionally, collaboration with business analysts and end-users is crucial to ensure that updates or migrations do not disrupt critical business operations.

What are the key skills and qualifications needed to thrive as an AS400 Developer, and why are they important?

To thrive as an AS400 Developer, you need strong programming skills in RPG, COBOL, and CL, as well as a solid understanding of IBM i (AS/400) systems, usually backed by experience or a relevant degree. Familiarity with tools such as IBM Rational Developer for i, DB2 databases, and source control systems is typically required. Excellent problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating with teams and translating business requirements into technical solutions. These skills ensure reliable legacy system maintenance, efficient development, and successful integration of business processes.

What is an AS400 developer?

An AS400 developer is a software professional who specializes in designing, coding, and maintaining applications on the IBM iSeries (AS/400) platform. They typically work with languages like RPG, COBOL, and CL, and may also handle system administration and integration tasks within the IBM environment.

What are AS400 Developers?

AS400 Developers are IT professionals who specialize in developing, maintaining, and supporting applications on the IBM AS/400 (now called IBM i) platform. They typically work with programming languages such as RPG, COBOL, and CL, and are responsible for designing, coding, testing, and troubleshooting software on the AS/400 system. Their expertise ensures that business-critical applications run smoothly and efficiently on this robust and reliable midrange computer system.
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As 400 Developer jobs near you
Infographic showing various As 400 Developer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 80% Full Time, 12% Part Time, and 7% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $114,200 per year, or $54.9 per hour.
AS400 Developer w/GitHub Codex

AS400 Developer w/GitHub Codex

NexTech Solutions

Memphis, TN • On-site

Other

Posted 8 days ago

Job description

AS/400 RPG Developer | Remote or Memphis, TN
Are you an RPG developer who enjoys modernizing legacy applications with today's AI-powered development tools?
We're looking for an experienced AS/400 RPG Developer to enhance and support a mission-critical enterprise application. This is an excellent opportunity for someone with strong IBM i (AS/400) development experience who is excited to leverage modern tools like GitHub and GitHub Codex/CoPilot to improve and evolve existing applications.
What You'll Do Develop, maintain, and enhance RPG IV / ILE RPG applications on the IBM i (AS/400) platform Refactor existing code to improve performance, maintainability, and functionality Use GitHub and GitHub Codex/CoPilot to analyze, enhance, and modernize existing code Troubleshoot production issues and deliver high-quality enhancements Partner with business stakeholders to gather requirements and maintain technical documentation What We're Looking For 7+ years of RPG IV / ILE RPG development on the IBM i (AS/400) platform Experience using GitHub for source control and GitHub Codex/CoPilot(or similar AI-assisted development tools) Strong communication, documentation, and problem-solving skills Experience refactoring and modernizing legacy applications Ability to work independently while collaborating effectively with business and technical teams Bonus Skills Manufacturing, supply chain, inventory, or warehouse systems experience SQL programming within RPG applications Experience with TURNOVER or similar IBM i change management tools Interested?
If you're an experienced RPG developer looking to combine deep IBM i expertise with modern AI-assisted development practices, we'd love to hear from you. Submit your resume for confidential consideration.

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