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As 400 Developer Jobs (NOW HIRING)

Apollo ITS

COBOL IBM i (AS/400) System Developer

Concord, NH · On-site

$50.50 - $68.50/hr

COBOL IBM i (AS/400) System Developer Location: Concord, NH (Onsite) Duration: 12 months with potential extension **US Citizens and Green Card Holders Only** We are looking for an IBM i (AS/400 ...

Select Minds LLC

COBOL Programmer

Dallas, TX · Remote

$55 - $60/hr

COBOL AS/400 Programmer Location: Remote (Must work PST hours) Travel: Up to 3 days per month onsite (expenses covered) Experience Level: 1 2+ years required Opportunity Overview We are seeking an ...

SelectMinds

COBOL Programmer

Dallas, TX · On-site

COBOL AS/400 Programmer Location: Remote (Must work PST hours) Travel: Up to 3 days per month onsite (expenses covered) Experience Level: 12+ years required Opportunity Overview We are seeking an ...

krg technology inc

RPG Developer(AS 400)

Neenah, WI

... Programmer/Analyst is responsible for developing and maintaining application systems and for ... Ability to respond in a flexible manner and to reprioritize work as situations change Ability to ...

Select Minds LLC

COBOL Programmer

Dallas, TX · On-site +1

$55 - $60/hr

COBOL AS/400 Programmer Location: Remote (Must work PST hours) Travel: Up to 3 days per month onsite (expenses covered) Experience Level: 1 2+ years required Opportunity Overview We are seeking an ...

RIT Solutions

COBOL Developer

$51.50 - $69.50/hr

Designs and develops solutions on the System i (AS/400i (AS/400) environment, utilizing expertise in a wide range of AS/400 products, including RPG, COBOL/400, SYNON, and new age offerings on the ...

Purple Drive

AZURE DEVOPS

Pacific, WA · On-site

$58 - $79.50/hr

... as Code (Terraform, ARM templates, Bicep) • Kubernetes, AKS (Azure Kubernetes Service), Docker • 3-5+ years DevOps experience • Azure certifications preferred: AZ-400 (DevOps Engineer Expert ...

Capstone IT

RPG Developer

Springfield, MO · On-site

Senior Systems Engineer Capstone IT is seeking a senior systems engineer with expertise in IBM i (AS/400) environments to support, optimize, and maintain critical enterprise infrastructure. This role ...

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As 400 Developer information

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How much do as 400 developer jobs pay per hour?

As of Jun 26, 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.
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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.

COBOL IBM i (AS/400) System Developer

Apollo ITS

Concord, NH • On-site

$50.50 - $68.50/hr

Other

Posted 20 days ago

Job description

Job Title: COBOL IBM i (AS/400) System Developer
Location: Concord, NH (Onsite)
Duration: 12 months with potential extension
**US Citizens and Green Card Holders Only**
Job Description:
We are looking for an IBM i (AS/400) System Developer to maintain and optimize COBOL-based applications on IBM i (AS/400) systems, troubleshoot and resolve technical issues, and contribute to strategic migration initiatives. This position will be full-time, onsite, and is a long-term contract opportunity.
What You'll Do
  • Maintain and optimize COBOL-based applications on IBM i (AS/400) to ensure system stability and performance
  • Troubleshoot and resolve application and system issues, identifying root causes and implementing effective solutions with minimal guidance
  • Manage and enhance batch jobs, file transfers, and integrations with other systems.
  • Monitor system health, job queues, and performance metrics (e.g., WRKACTJOB) to proactively address potential issues
  • Support SQL-based data access and ensure data integrity across applications
  • Collaborate with business analysts and stakeholders to clarify requirements and resolve technical issues
  • Develop and maintain clear and comprehensive documentation for programs, processes, and troubleshooting steps
  • Provide technical assistance for emulator-related issues (PC5250), print/output queues, and spool file management
  • Contribute technical expertise to the strategic migration from IBM i to Hyland's OnBase WorkView platform, including data transition planning, integration support, and operational continuity
  • ssist with user profile management, authority adjustments, and job scheduling
  • Support backup and restore processes (BRMS) and maintain operational runbooks
  • Participate in testing and validation activities during migration and system upgrades

What You'll Need
Required:
  • t least 5 years of development and support of COBOL applications on IBM i (AS/400)
  • t least 5 years of strong experience with CL, DDS, and DB2 for i (SQL)
  • t least 5 years of experience working with IBM i tools such as Access Client Solutions (Client) and Navigator
  • t least 5 years of experience with batch processing and job scheduling
  • bility to work on alternative schedules (e.g., non-business hours for planned maintenance, upgrades, urgent troubleshooting, and/or migration activities)
  • Exceptional communication skills
  • Preferred: Experience with Hyland's OnBase WorkView platform

Physical Demands
  • bility to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards
  • bility to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor
  • Must be able to communicate with customers/team members over the phone and in person
  • Sedentary work that involves sitting or remaining stationery most of the time with occasional need to move around the office to attend meetings, etc.

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