ZipRecruiter

Log In

1

As400 Developer Jobs (NOW HIRING)

Prophecy Technologies

Mainframe AS400 Developer

Plano, TX · On-site

$47 - $60.25/hr

We are seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications running on mainframe and IBM AS400/iSeries platforms. The ideal candidate will ...

Chabez Tech

AS400 Developer - EDI & WMS

Romeoville, IL · On-site

AS400 Developer - EDI & WMS Location: Romeoville, IL - 3 days Onsite (Preference local) Duration: 6 month (C2H) / Full Time with Client Position #: 5 Client are seeking an experienced AS400 (IBM i ...

Chabez Tech

AS400 Developer - EDI & WMS

Romeoville, IL · On-site

AS400 Developer - EDI & WMS Location: Romeoville, IL - 3 days Onsite (Preference local) Duration: 6 month (C2H) / Full Time with Client Position #: 5 Client are seeking an experienced AS400 (IBM i ...

Chabez Tech

AS400 Developer - EDI & WMS

Romeoville, IL · On-site

AS400 Developer - EDI & WMS Location: Romeoville, IL - 3 days Onsite (Preference local) Duration: 6 month (C2H) / Full Time with Client Position #: 5 Client are seeking an experienced AS400 (IBM i ...

Diverse Lynx

Mainframe & AS400 Developer

Plano, TX · On-site

$47.25 - $60.75/hr

Diverse Lynx is seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications on mainframe and IBM AS400/iSeries platforms. The ideal candidate ...

Sophus IT Solutions

AS400 Developer

Redmond, WA · On-site

About the Company Excellent programming skills on the iSeries platform - Analyze and Create new programs using RPG, RPG ILE, SQLRPGLE, and Control Language (CLP/CLLE). About the Role Knowledge/Hands ...

Saransh Inc

AS400 Developer with EDI

Issaquah, WA · On-site

AS400 Developer with EDI Location: Issaquah, WA Job Type: Contract Mandatory Areas: Must Have Skills: * AS400 Developer with EDI * RPGL * SQL * EDI Good To have Skills: Iseries Description:

Dunhams Sports

IBM AS400/RPG Developer

Macomb, MI · On-site

A successful candidate will be able to support AS400 software applications developed in past years with noticeable changes in programming technology. AS400 analysis skills are required as well as the ...

ConfigUSA

AS400 Synon Sr Developer

Schaumburg, IL · Remote

Job Title AS400 Synon Sr Developer Relevant Experience (in Yrs) 15+ yrs Technical/Functional Skills • Strong functional knowledge of core PBM functions specifically core adjudication, pricing ...

Dunhams Sports

IBM AS400/RPG Developer

Troy, MI · On-site

A successful candidate will be able to support AS400 software applications developed in past years with noticeable changes in programming technology. AS400 analysis skills are required as well as the ...

next page

Showing results 1-20

All JobsAs400 Developer Jobs

AS400 Developer information

See salary details

$38

$54

$65

How much do as400 developer jobs pay per hour?

As of Jun 23, 2026, the average hourly pay for as400 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 does a typical day look like for an AS400 Developer?

A typical day for an AS400 Developer involves writing, testing, and troubleshooting code in RPG, COBOL, or CL for business-critical applications running on IBM iSeries systems. Developers often work closely with business analysts, system administrators, and other IT professionals to gather requirements, implement system enhancements, and ensure data integrity within DB2 databases. Daily tasks may also include resolving production issues, performing regular maintenance, and participating in code reviews or deployment planning. Collaborative work and clear communication are common, as developers typically play an integral role in supporting both legacy and modernized business processes.

How much do AS400 programmers make?

AS400 programmers typically earn between $70,000 and $110,000 annually, depending on experience, location, and industry. Senior roles or those with specialized skills in RPG or CL programming may command higher salaries, especially with certifications or extensive system knowledge.

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 expertise in RPG, CL, and IBM i systems may earn higher compensation, especially in high-demand regions or specialized sectors.

What are the key skills and qualifications needed to thrive in the As400 Developer position, and why are they important?

To thrive as an AS400 Developer, you need strong skills in RPG, COBOL, or CL programming languages, knowledge of IBM iSeries/AS400 systems, and typically a degree in computer science or related field. Familiarity with DB2 databases, SQL, and tools like Turnover or Aldon for change management and version control is highly valued, and certifications in IBM technologies are beneficial. Strong problem-solving abilities, attention to detail, and effective communication help developers collaborate with cross-functional teams and resolve technical issues efficiently. These competencies ensure reliable business application support, seamless integration with enterprise systems, and success in maintaining legacy environments.

Is AS400 in demand?

AS400 developers are still in demand in industries that rely on legacy systems, such as banking, insurance, and manufacturing. Many organizations seek professionals skilled in RPG, CL, and IBM i environments to maintain and upgrade their AS400 systems, though the overall demand has decreased as companies modernize their IT infrastructure.

What is an AS400 Developer job?

An AS400 Developer is responsible for designing, developing, and maintaining applications on IBM's AS400 (now IBM i) platform. They typically use programming languages like RPG, CL, and SQL to create and manage business applications. Their role involves debugging programs, optimizing performance, and ensuring software meets business requirements. AS400 Developers often collaborate with IT teams to integrate AS400 systems with modern applications.

Is AS400 still used?

AS400, also known as IBM iSeries, is still used in many organizations for legacy business applications and data processing. AS400 developers are needed to maintain, update, and integrate these systems, which often require knowledge of RPG, CL, and IBM i environments. Despite newer technologies, its stability and continued use in certain industries keep it relevant for specific roles.
More about AS400 Developer jobs
What cities are hiring for As400 Developer jobs? Cities with the most As400 Developer job openings:
What are the most commonly searched types of As400 Developer jobs? The most popular types of As400 Developer jobs are:
What states have the most As400 Developer jobs? States with the most job openings for As400 Developer jobs include:
What job categories do people searching As400 Developer jobs look for? The top searched job categories for As400 Developer jobs are:
What are popular job titles related to As400 Developer jobs? For As400 Developer jobs, the most frequently searched job titles are:
AS400 Developer jobs near you
Infographic showing various As400 Developer job openings in the United States as of June 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $114,200 per year, or $54.9 per hour.

Mainframe AS400 Developer

Prophecy Technologies

Plano, TX • On-site

$47 - $60.25/hr

Full-time

Posted 6 days ago

Job description

Role Overview:
We are seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications running on mainframe and IBM AS400/iSeries platforms. The ideal candidate will have strong experience in COBOL, JCL, DB2, CL, RPG, and related legacy technologies, along with the ability to troubleshoot production issues and support business-critical systems.
Key Responsibilities:
  • Develop, enhance, and maintain applications on mainframe and AS400 (preferred) environments.
  • Write and support programs using COBOL, JCL, DB2, CL, RPG, and related tools.
  • Analyze business requirements and translate them into technical solutions.
  • Perform debugging, testing, and production support for existing systems.
  • Work with batch jobs, file processing, and data integration processes.
  • Collaborate with business analysts, testers, and infrastructure teams.
  • Support system upgrades, performance tuning, and incident resolution.
  • Document technical designs, code changes, and support procedures.

Required Skills:
  • Strong hands-on experience with mainframe technologies.
  • Proficiency in COBOL, JCL, DB2, and VSAM.
  • Knowledge of batch processing, job scheduling, and file transfer processes.
  • Strong troubleshooting and problem-solving skills.
  • Ability to work in production support and development environments.
  • Good communication and teamwork skills.

Qualifications:
  • Bachelors in Computer Science or other related field
  • 5 years of experience

Preferred Skills:
  • Experience with IBM AS400/iSeries technologies preferred.

Apply