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As 400 Developer Jobs (NOW HIRING)

Mindlance

Mainframe Programmer

Brookfield, WI · On-site

AS/400 Programmer, VAX Programmer, Client Programmer. Performs all or part of full life cycle development process with an emphasis on developing business applications, supporting existing ...

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

Prophecy Technologies

SYNON Developer (Tech Lead)

Dallas, TX · On-site

$58.25 - $76.50/hr

Modern RPG / SYNON Developer (Tech Lead) Location: Dallas, TX Duration: 6 months GBaMS ReqID ... Background working with DB2 and AS/400 environments Competencies: * Modern RPG development * SYNON ...

Prophecy Technologies

SYNON Developer (Tech Lead)

Dallas, TX · On-site

$58.50 - $76.75/hr

Modern RPG / SYNON Developer (Tech Lead) Location: Dallas, TX Duration: 6 months GBaMS ReqID ... Background working with DB2 and AS/400 environments Competencies: * Modern RPG development * SYNON ...

Magid Glove & Safety

Senior RPG Developer

Romeoville, IL · On-site

$112K - $187K/yr

Design, develop, and maintain RPG applications on the IBM i (AS/400) platform. * Write efficient ... Mentor junior developers, providing guidance on best practices, coding standards, and problem ...

KellyMitchell Group

Mainframe Programmer

Brookfield, WI · On-site

$40 - $54/hr

Experience as an AS/400 Programmer, VAX Programmer, or HP Programmer * Proficient in full software development life cycle, particularly in developing and supporting business applications * Skilled in ...

reliance

Junior Developer

Peachtree Corners, GA · On-site

$62K - $81K/yr

Ideally, this role will grow into a Visual LANSA and IBM I (AS/400) application developer. This position is ideal for someone early in their career who is eager to learn, asks questions, and takes ...

System Soft Technologies

RPG Programmer

Follansbee, WV · On-site

... Developer with strong RPG and Java experience to support and modernize business-critical applications on the IBM i (AS/400) platform. What You'll Do * Develop and maintain RPG (IV/ILE/Free-Form) and ...

Futran Tech Solutions Pvt. Ltd.

RPG Developer

Job Title: RPG Developer Job Type: Full-Time / Contract Job Summary: * We are looking for a ... Work with IBM i (AS/400) systems and related technologies * Collaborate with cross-functional teams ...

Fabergent

JD Edwards World Developer

Houston, TX · On-site

... AS/400 iSeries, out of which 5 continuous years should be in US. Candidate should have experience in technical design, development, maintenance of JD Edwards World soft A9.3. Knowledge of DB2 ...

IDEALFORCE LLC

Sr Java Developer(80002)

Dallas, TX

$56.75 - $72.25/hr

Company Description IDEALFORCE has a Contract available immediately for a Java Developer to join ... Client is looking to convert many legacy applications running in a AS/400 environment to a modern ...

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All JobsAs 400 Developer Jobs

As 400 Developer information

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How much do as 400 developer jobs pay per hour?

As of Jun 27, 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 is the salary of senior AS400 developer?

The salary of a senior AS400 developer typically ranges from $80,000 to $120,000 annually, depending on experience, location, and industry. Senior developers with specialized skills in RPG, CL, or IBM i environments may earn higher compensation, especially with certifications or in high-demand markets.

How much do AS400 programmers make?

AS400 programmers typically earn between $70,000 and $110,000 annually, depending on experience, location, and certifications. Senior developers with specialized skills in RPG or CL programming can earn higher salaries, especially in industries like finance or healthcare that rely heavily on legacy systems.

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 creating, maintaining, and updating applications on the IBM iSeries (AS/400) platform. They typically work with languages like RPG, COBOL, and CL, and may use tools such as IBM Navigator or Rational Developer for i to manage and develop enterprise systems.

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.

Is AS400 still used?

AS/400, now known as IBM i, is still used in many organizations for legacy business applications and data processing. AS/400 developers are needed to maintain, update, and integrate these systems, which often run critical operations in industries like finance and manufacturing.
More about As 400 Developer jobs
What job categories do people searching As 400 Developer jobs look for? The top searched job categories for As 400 Developer jobs are:
As 400 Developer jobs near you
Infographic showing various As 400 Developer job openings in the United States as of June 2026, with employment types broken down into 100% Contract. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $114,200 per year, or $54.9 per hour.
Mainframe Programmer

Mainframe Programmer

Mindlance

Brookfield, WI • On-site

Other

Posted 4 days ago

Job description

    1. Job specifies onsite in WI - Information Sys. Brookfield - This can be any Hub. Current team members are in Brookfield and Chicago.
  1. Can you please provide a summary of the project/initiatives which describes what's being done? This position will work on a project-based team within the Credit Product Development Journey. Project Peru currently is completing Phase P0. This team will continue to work on this initiative throughout this contract period and encompass work through P4.
  2. What are the top 5-10 responsibilities for this position? (Please be detailed as to what the candidate is expected to do or complete on a daily basis)

Work within an existing, fast-paced agile team on the Product and Rewards applications.
ttend Team agile ceremonies.
Mainframe COBOL and DB2 development
Coding, Unit Testing, Integration testing, and User acceptance testing.
  1. What skills/technologies are required (please include the number of years of experience required)?
Mainframe COBOL and DB2. 10+ Years Experience.
  1. What skills/attributes are preferred (these are a desired, not required)?
N/A
  1. What does the interview process look like?
    o How many rounds? 1
    o Video, phone, or in person? Video
    o How technical will the interviews be?

DO NOT EDIT BELOW THIS LINE, PLEASE INSERT JOB DESCRIPTION ABOVE Expertise with RPG400, RPG III, COBOL, or SYNON in an AS/400 environment, or COBOL or C in one of a variety of mid-range platforms such DEC VAX or HP3000. AS/400 Programmer, VAX Programmer, Client Programmer. Performs all or part of full life cycle development process with an emphasis on developing business applications, supporting existing applications, modifying/enhancing them support current needs, and implementing the changes necessary as the needs of the business units change. Usually involves high-volume and large-scale batch or online processing.
Shift: []
Start: []
EEO:
"Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of - Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans."
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About Mindlance

Sourced by ZipRecruiter

Mindlance is a multinational staffing and services firm based in the Greater NYC area. We have 14 offices across the United States, Canada, and India. We match talented people to Fortune 500 and Fortune 1000 companies across industries. We have been in business since 1999 and are recognized by Staffing Industry Analysts (SIA) as one of the fastest-growing U.S. staffing firms. Our rapid growth means more jobs, more projects, and more opportunities for you. Our core philosophy means that you work with an organization that truly values and recognizes you.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Union, NJ, US

Year founded

1999

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