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As400 Developer Jobs in Chicago, IL (NOW HIRING)

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 ...

AS400 Synon Engineer Must Have Technical/Functional Skills iSeries, SYNON, COBOL, AS400 (Mid-Range), ILE, COBOL/400, CLLE, SQL • Strong functional knowledge of core PBM functions specifically core ...

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The Programmer will design, develop, maintain and support corporate software applications and EDI programs on the IBM iSeries (AS/400) using RPG/LE, SQL and CL. The Programmer will be responsible for ...

Be Seen First

The Programmer will design, develop, maintain and support corporate software applications and EDI programs on the IBM iSeries (AS/400) using RPG/LE, SQL and CL. The Programmer will be responsible for ...

Sales Administration Rep

Schaumburg, IL · On-site

$21.64 - $29.47/hr

Request pricing (and/or) approval drawings for customers using AS400 system and create quotes for customers by using the quotation database on Lotus Notes * Assist DM/ Engineers to enter in AS400 ...

Request pricing (and/or) approval drawings for customers using AS400 system and create quotes for customers by using the quotation database on Lotus Notes * Assist DM/ Engineers to enter in AS400 ...

... to programming or infrastructure teams * Work with vendors and internal IT staff to maintain system hardware and software Who We're Looking For * 3+ years of experience operating IBM i / AS400 ...

... to programming or infrastructure teams * Work with vendors and internal IT staff to maintain system hardware and software Who We're Looking For * 3+ years of experience operating IBM i / AS400 ...

... programming or infrastructure teamsWork with vendors and internal IT staff to maintain system hardware and softwareWho We're Looking For3+ years of experience operating IBM i / AS400 / iSeries ...

Quality Engineer

Batavia, IL · On-site

$75K - $85K/yr

The Quality Assurance Engineer (QAE) supports new product launches, engineering changes, and pilot ... AS400, SolidWorks, and Mattec experience preferred. * The ability to lift up to 50 pounds. The ...

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As400 Developer information

See Chicago, IL salary details

$39

$56

$67

How much do as400 developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for as400 developer in Chicago, IL is $56.60, according to ZipRecruiter salary data. Most workers in this role earn between $51.78 and $60.24 per hour, depending on experience, location, and employer.

What does an AS400 developer do?

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.

What are the key skills and qualifications needed to thrive as an AS400 developer?

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.

How much do AS400 developers make?

AS400 developers typically earn between $70,000 and $110,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in RPG or CL programming may have higher salaries. Compensation can also vary based on the industry and company size.

How to become an AS400 developer?

To become an AS400 developer, you should gain proficiency in IBM i (AS/400) systems, learn programming languages such as RPG, COBOL, or CL programming, and develop skills in database management and system administration. Earning relevant certifications and gaining experience through training or entry-level positions can also enhance your qualifications.

Is AS400 still in demand?

AS400 developers remain in demand in industries that rely on legacy systems, such as banking and manufacturing, where IBM i environments are prevalent. Many organizations seek professionals skilled in RPG, CL, and IBM i administration to maintain and upgrade these systems, though the overall demand has decreased with the rise of modern technologies.

What are the most commonly searched types of As400 Developer jobs in Chicago, IL?

The most popular types of As400 Developer jobs in Chicago, IL are:

What are popular job titles related to As400 Developer jobs in Chicago, IL?

For As400 Developer jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching As400 Developer jobs in Chicago, IL look for?

The top searched job categories for As400 Developer jobs in Chicago, IL are:

Infographic showing various As400 Developer job openings in Chicago, IL as of August 2026, with employment types broken down into 82% Full Time, 5% Part Time, and 13% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $117,735 per year, or $56.6 per hour.

Senior AS400 Developer / iSeries Developer / COBOL Developer

Nexxora Inc.

Chicago, IL • On-site

Other

This job post has expired 2 days ago. Applications are no longer accepted.


Job description

REQUIREMENT:


Senior AS400 Developer / iSeries Developer / COBOL Developer
Location: Schaumburg, Illinois (Onsite 5 Days/Week)
Core Technical Requirements:
IBM AS400 / IBM iSeries
COBOL/400
ILE COBOL
CLLE Programming
SQL Development
DB2400
ACMS
MOM Integration
10+ years of enterprise development experience required.